3899186868723 has 16 divisors (see below), whose sum is σ = 5206446575616. Its totient is φ = 2595694844160.

The previous prime is 3899186868697. The next prime is 3899186868767. The reversal of 3899186868723 is 3278686819983.

It is not a de Polignac number, because 3899186868723 - 2⁵ = 3899186868691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3899186868323) 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, 6512515 + ... + 7085987.

It is an arithmetic number, because the mean of its divisors is an integer number (325402910976).

Almost surely, 2^{3899186868723} is an apocalyptic number.

3899186868723 is a deficient number, since it is larger than the sum of its proper divisors (1307259706893).

3899186868723 is a wasteful number, since it uses less digits than its factorization.

3899186868723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576754.

The product of its digits is 1504935936, while the sum is 78.

The spelling of 3899186868723 in words is "three trillion, eight hundred ninety-nine billion, one hundred eighty-six million, eight hundred sixty-eight thousand, seven hundred twenty-three".