38739374515 has 16 divisors (see below), whose sum is σ = 47336389632. Its totient is φ = 30430439424.

The previous prime is 38739374507. The next prime is 38739374561. The reversal of 38739374515 is 51547393783.

It is a cyclic number.

It is not a de Polignac number, because 38739374515 - 2³ = 38739374507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252874 + ... + 376063.

It is an arithmetic number, because the mean of its divisors is an integer number (2958524352).

Almost surely, 2^38739374515 is an apocalyptic number.

38739374515 is a deficient number, since it is larger than the sum of its proper divisors (8597015117).

38739374515 is a wasteful number, since it uses less digits than its factorization.

38739374515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629166.

The product of its digits is 9525600, while the sum is 55.

The spelling of 38739374515 in words is "thirty-eight billion, seven hundred thirty-nine million, three hundred seventy-four thousand, five hundred fifteen".