3865013475416 has 128 divisors (see below), whose sum is σ = 8340729408000. Its totient is φ = 1667583977472.

The previous prime is 3865013475341. The next prime is 3865013475437. The reversal of 3865013475416 is 6145743105683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11951645 + ... + 12270771.

It is an arithmetic number, because the mean of its divisors is an integer number (65161948500).

Almost surely, 2^{3865013475416} is an apocalyptic number.

It is an amenable number.

3865013475416 is an abundant number, since it is smaller than the sum of its proper divisors (4475715932584).

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

3865013475416 is a wasteful number, since it uses less digits than its factorization.

3865013475416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319321 (or 319317 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 3865013475416 in words is "three trillion, eight hundred sixty-five billion, thirteen million, four hundred seventy-five thousand, four hundred sixteen".