957147969 has 4 divisors (see below), whose sum is σ = 1276197296. Its totient is φ = 638098644.

The previous prime is 957147953. The next prime is 957147977. The reversal of 957147969 is 969741759.

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 not a de Polignac number, because 957147969 - 2⁴ = 957147953 is a prime.

It is a super-2 number, since 2×957147969² = 1832264469121649922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (957147979) 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, 159524659 + ... + 159524664.

It is an arithmetic number, because the mean of its divisors is an integer number (319049324).

Almost surely, 2^957147969 is an apocalyptic number.

It is an amenable number.

957147969 is a deficient number, since it is larger than the sum of its proper divisors (319049327).

957147969 is a wasteful number, since it uses less digits than its factorization.

957147969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319049326.

The product of its digits is 4286520, while the sum is 57.

The square root of 957147969 is about 30937.8080833145. The cubic root of 957147969 is about 985.5069560914.

The spelling of 957147969 in words is "nine hundred fifty-seven million, one hundred forty-seven thousand, nine hundred sixty-nine".