69740607264138 has 24 divisors (see below), whose sum is σ = 151136575022628. Its totient is φ = 23241957403392.

The previous prime is 69740607264137. The next prime is 69740607264187. The reversal of 69740607264138 is 83146270604796.

It is a happy number.

69740607264138 is a `hidden beast` number, since 6 + 9 + 7 + 4 + 0 + 607 + 2 + 6 + 4 + 13 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 68998723063209 + 741884200929 = 8306547^2 + 861327^2 .

It is not an unprimeable number, because it can be changed into a prime (69740607264137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 409219495 + ... + 409389882.

Almost surely, 2^{69740607264138} is an apocalyptic number.

69740607264138 is an abundant number, since it is smaller than the sum of its proper divisors (81395967758490).

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

69740607264138 is a wasteful number, since it uses less digits than its factorization.

69740607264138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818614118 (or 818614115 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 63.

The spelling of 69740607264138 in words is "sixty-nine trillion, seven hundred forty billion, six hundred seven million, two hundred sixty-four thousand, one hundred thirty-eight".