1297331979624 has 48 divisors (see below), whose sum is σ = 3553086197700. Its totient is φ = 427585069824.

The previous prime is 1297331979599. The next prime is 1297331979641. The reversal of 1297331979624 is 4269791337921.

1297331979624 is a `hidden beast` number, since 1 + 297 + 3 + 319 + 7 + 9 + 6 + 24 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1240171776900 + 57160202724 = 1113630^2 + 239082^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101221119 + ... + 101233934.

Almost surely, 2^{1297331979624} is an apocalyptic number.

It is an amenable number.

1297331979624 is an abundant number, since it is smaller than the sum of its proper divisors (2255754218076).

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

1297331979624 is a wasteful number, since it uses less digits than its factorization.

1297331979624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202455154 (or 202455147 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 63.

The spelling of 1297331979624 in words is "one trillion, two hundred ninety-seven billion, three hundred thirty-one million, nine hundred seventy-nine thousand, six hundred twenty-four".