7150505965849 has 3 divisors (see below), whose sum is σ = 7150508639893. Its totient is φ = 7150503291806.

The previous prime is 7150505965789. The next prime is 7150505965919. The reversal of 7150505965849 is 9485695050517.

The square root of 7150505965849 is 2674043.

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

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 7150505965849 - 2³⁵ = 7116146227481 is a prime.

It is a super-2 number, since 2×7150505965849² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7150505965349) 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, 1337022 + ... + 4011064.

Almost surely, 2^{7150505965849} is an apocalyptic number.

7150505965849 is the 2674043-rd square number.

7150505965849 is the 1337022-nd centered octagonal number.

It is an amenable number.

7150505965849 is a deficient number, since it is larger than the sum of its proper divisors (2674044).

7150505965849 is an frugal number, since it uses more digits than its factorization.

7150505965849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348086 (or 2674043 counting only the distinct ones).

The product of its (nonzero) digits is 68040000, while the sum is 64.

Multiplying 7150505965849 by its sum of digits (64), we get a square (457632381814336 = 21392344²).

The spelling of 7150505965849 in words is "seven trillion, one hundred fifty billion, five hundred five million, nine hundred sixty-five thousand, eight hundred forty-nine".