9634634625972 has 24 divisors (see below), whose sum is σ = 22480878563136. Its totient is φ = 3211535670208.

The previous prime is 9634634625971. The next prime is 9634634625989. The reversal of 9634634625972 is 2795264364369.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9634634625971) 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, 4209073 + ... + 6081575.

It is an arithmetic number, because the mean of its divisors is an integer number (936703273464).

Almost surely, 2^{9634634625972} is an apocalyptic number.

It is an amenable number.

9634634625972 is an abundant number, since it is smaller than the sum of its proper divisors (12846243937164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9634634625972 is a wasteful number, since it uses less digits than its factorization.

9634634625972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301287 (or 2301285 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 66.

The spelling of 9634634625972 in words is "nine trillion, six hundred thirty-four billion, six hundred thirty-four million, six hundred twenty-five thousand, nine hundred seventy-two".