633893962751972 has 24 divisors (see below), whose sum is σ = 1194945799971000. Its totient is φ = 292493100946176.

The previous prime is 633893962751971. The next prime is 633893962752019. The reversal of 633893962751972 is 279157269398336.

It can be written as a sum of positive squares in 4 ways, for example, as 98011465205476 + 535882497546496 = 9900074^2 + 23149136^2 .

It is a Smith number, since the sum of its digits (80) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (633893962751971) 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, 1527778097 + ... + 1528192952.

It is an arithmetic number, because the mean of its divisors is an integer number (49789408332125).

Almost surely, 2^{633893962751972} is an apocalyptic number.

It is an amenable number.

633893962751972 is a deficient number, since it is larger than the sum of its proper divisors (561051837219028).

633893962751972 is a wasteful number, since it uses less digits than its factorization.

633893962751972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055975055 (or 3055975053 counting only the distinct ones).

The product of its digits is 5555329920, while the sum is 80.

The spelling of 633893962751972 in words is "six hundred thirty-three trillion, eight hundred ninety-three billion, nine hundred sixty-two million, seven hundred fifty-one thousand, nine hundred seventy-two".