9957337426564 has 24 divisors (see below), whose sum is σ = 19135352851776. Its totient is φ = 4496088540000.

The previous prime is 9957337426471. The next prime is 9957337426567. The reversal of 9957337426564 is 4656247337599.

9957337426564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9957337426493 and 9957337426502.

It is not an unprimeable number, because it can be changed into a prime (9957337426567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749341447 + ... + 749354734.

It is an arithmetic number, because the mean of its divisors is an integer number (797306368824).

Almost surely, 2^{9957337426564} is an apocalyptic number.

It is an amenable number.

9957337426564 is a deficient number, since it is larger than the sum of its proper divisors (9178015425212).

9957337426564 is a wasteful number, since it uses less digits than its factorization.

9957337426564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498696347 (or 1498696345 counting only the distinct ones).

The product of its digits is 1028764800, while the sum is 70.

The spelling of 9957337426564 in words is "nine trillion, nine hundred fifty-seven billion, three hundred thirty-seven million, four hundred twenty-six thousand, five hundred sixty-four".