1048989313 has 4 divisors (see below), whose sum is σ = 1094597568. Its totient is φ = 1003381060.

The previous prime is 1048989311. The next prime is 1048989323. The reversal of 1048989313 is 3139898401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1048989313 - 2¹ = 1048989311 is a prime.

It is a super-2 number, since 2×1048989313² = 2200757157576423938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1048989311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22804093 + ... + 22804138.

It is an arithmetic number, because the mean of its divisors is an integer number (273649392).

Almost surely, 2^1048989313 is an apocalyptic number.

It is an amenable number.

1048989313 is a deficient number, since it is larger than the sum of its proper divisors (45608255).

1048989313 is an equidigital number, since it uses as much as digits as its factorization.

1048989313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45608254.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 1048989313 is about 32388.1044984111. The cubic root of 1048989313 is about 1016.0701382878.

The spelling of 1048989313 in words is "one billion, forty-eight million, nine hundred eighty-nine thousand, three hundred thirteen".