9525973476561 has 16 divisors (see below), whose sum is σ = 12845028833280. Its totient is φ = 6278794881920.

The previous prime is 9525973476557. The next prime is 9525973476601. The reversal of 9525973476561 is 1656743795259.

It is a cyclic number.

It is not a de Polignac number, because 9525973476561 - 2² = 9525973476557 is a prime.

It is a super-2 number, since 2×9525973476561² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9525974476561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1968496 + ... + 4788206.

It is an arithmetic number, because the mean of its divisors is an integer number (802814302080).

Almost surely, 2^{9525973476561} is an apocalyptic number.

It is an amenable number.

9525973476561 is a deficient number, since it is larger than the sum of its proper divisors (3319055356719).

9525973476561 is a wasteful number, since it uses less digits than its factorization.

9525973476561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832456.

The product of its digits is 428652000, while the sum is 69.

The spelling of 9525973476561 in words is "nine trillion, five hundred twenty-five billion, nine hundred seventy-three million, four hundred seventy-six thousand, five hundred sixty-one".