7381627565128 has 16 divisors (see below), whose sum is σ = 14654701783980. Its totient is φ = 3473707089408.

The previous prime is 7381627565087. The next prime is 7381627565171. The reversal of 7381627565128 is 8215657261837.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5581302300484 + 1800325264644 = 2362478^2 + 1341762^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27138336501 + ... + 27138336772.

Almost surely, 2^{7381627565128} is an apocalyptic number.

It is an amenable number.

7381627565128 is a deficient number, since it is larger than the sum of its proper divisors (7273074218852).

7381627565128 is a wasteful number, since it uses less digits than its factorization.

7381627565128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54276673296 (or 54276673292 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 61.

The spelling of 7381627565128 in words is "seven trillion, three hundred eighty-one billion, six hundred twenty-seven million, five hundred sixty-five thousand, one hundred twenty-eight".