3745864394394 has 16 divisors (see below), whose sum is σ = 7581990582432. Its totient is φ = 1233577832528.

The previous prime is 3745864394387. The next prime is 3745864394413. The reversal of 3745864394394 is 4934934685473.

3745864394394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3745864394394² (a number of 26 digits) contains 22 as substring.

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, 3760907529 + ... + 3760908524.

It is an arithmetic number, because the mean of its divisors is an integer number (473874411402).

Almost surely, 2^{3745864394394} is an apocalyptic number.

3745864394394 is an abundant number, since it is smaller than the sum of its proper divisors (3836126188038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3745864394394 is a wasteful number, since it uses less digits than its factorization.

3745864394394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7521816141.

The product of its digits is 940584960, while the sum is 69.

The spelling of 3745864394394 in words is "three trillion, seven hundred forty-five billion, eight hundred sixty-four million, three hundred ninety-four thousand, three hundred ninety-four".