1534317974938 has 16 divisors (see below), whose sum is σ = 2639553595200. Its totient is φ = 655241294016.

The previous prime is 1534317974807. The next prime is 1534317974941. The reversal of 1534317974938 is 8394797134351.

It is a super-2 number, since 2×1534317974938² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1534317974938.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193625263 + ... + 193633186.

It is an arithmetic number, because the mean of its divisors is an integer number (164972099700).

Almost surely, 2^{1534317974938} is an apocalyptic number.

1534317974938 is a deficient number, since it is larger than the sum of its proper divisors (1105235620262).

1534317974938 is a wasteful number, since it uses less digits than its factorization.

1534317974938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387258741.

The product of its digits is 68584320, while the sum is 64.

The spelling of 1534317974938 in words is "one trillion, five hundred thirty-four billion, three hundred seventeen million, nine hundred seventy-four thousand, nine hundred thirty-eight".