38516870539 has 16 divisors (see below), whose sum is σ = 46613831616. Its totient is φ = 31068979200.

The previous prime is 38516870531. The next prime is 38516870543. The reversal of 38516870539 is 93507861583.

It is not a de Polignac number, because 38516870539 - 2³ = 38516870531 is a prime.

It is a super-2 number, since 2×38516870539² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38516870539.

It is not an unprimeable number, because it can be changed into a prime (38516870531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2123569 + ... + 2141629.

It is an arithmetic number, because the mean of its divisors is an integer number (2913364476).

Almost surely, 2^38516870539 is an apocalyptic number.

38516870539 is a deficient number, since it is larger than the sum of its proper divisors (8096961077).

38516870539 is a wasteful number, since it uses less digits than its factorization.

38516870539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36006.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 38516870539 in words is "thirty-eight billion, five hundred sixteen million, eight hundred seventy thousand, five hundred thirty-nine".