1048950817489 has 3 divisors (see below), whose sum is σ = 1048951841673. Its totient is φ = 1048949793306.

The previous prime is 1048950817477. The next prime is 1048950817529. The reversal of 1048950817489 is 9847180598401.

The square root of 1048950817489 is 1024183.

It is a perfect power (a square), and thus also a powerful number.

1048950817489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1048950817489 - 2²⁵ = 1048917263057 is a prime.

It is a super-2 number, since 2×1048950817489² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1048950817489.

It is not an unprimeable number, because it can be changed into a prime (1048950817469) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 512092 + ... + 1536274.

It is an arithmetic number, because the mean of its divisors is an integer number (349650613891).

Almost surely, 2^{1048950817489} is an apocalyptic number.

1048950817489 is the 1024183-rd square number.

1048950817489 is the 512092-nd centered octagonal number.

It is an amenable number.

1048950817489 is a deficient number, since it is larger than the sum of its proper divisors (1024184).

1048950817489 is an frugal number, since it uses more digits than its factorization.

1048950817489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048366 (or 1024183 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 64.

Multiplying 1048950817489 by its sum of digits (64), we get a square (67132852319296 = 8193464²).

The spelling of 1048950817489 in words is "one trillion, forty-eight billion, nine hundred fifty million, eight hundred seventeen thousand, four hundred eighty-nine".