3731394902399 has 16 divisors (see below), whose sum is σ = 3805516753920. Its totient is φ = 3657956184000.

The previous prime is 3731394902357. The next prime is 3731394902401. The reversal of 3731394902399 is 9932094931373.

It is a cyclic number.

It is not a de Polignac number, because 3731394902399 - 2²⁸ = 3731126466943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3731394902899) 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, 8564144 + ... + 8989290.

It is an arithmetic number, because the mean of its divisors is an integer number (237844797120).

Almost surely, 2^{3731394902399} is an apocalyptic number.

3731394902399 is a deficient number, since it is larger than the sum of its proper divisors (74121851521).

3731394902399 is a wasteful number, since it uses less digits than its factorization.

3731394902399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425950.

The product of its (nonzero) digits is 29760696, while the sum is 62.

The spelling of 3731394902399 in words is "three trillion, seven hundred thirty-one billion, three hundred ninety-four million, nine hundred two thousand, three hundred ninety-nine".