3872705368018 has 16 divisors (see below), whose sum is σ = 5888715882840. Its totient is φ = 1909800809856.

The previous prime is 3872705368009. The next prime is 3872705368031. The reversal of 3872705368018 is 8108635072783.

It can be written as a sum of positive squares in 4 ways, for example, as 2020528631209 + 1852176736809 = 1421453^2 + 1360947^2 .

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, 14229996 + ... + 14499592.

Almost surely, 2^{3872705368018} is an apocalyptic number.

3872705368018 is a deficient number, since it is larger than the sum of its proper divisors (2016010514822).

3872705368018 is a wasteful number, since it uses less digits than its factorization.

3872705368018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368061.

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 3872705368018 in words is "three trillion, eight hundred seventy-two billion, seven hundred five million, three hundred sixty-eight thousand, eighteen".