3865010573865 has 32 divisors (see below), whose sum is σ = 7311153012480. Its totient is φ = 1705935700224.

The previous prime is 3865010573791. The next prime is 3865010573881. The reversal of 3865010573865 is 5683750105683.

It is not a de Polignac number, because 3865010573865 - 2¹⁶ = 3865010508329 is a prime.

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, 634645654 + ... + 634651743.

It is an arithmetic number, because the mean of its divisors is an integer number (228473531640).

Almost surely, 2^{3865010573865} is an apocalyptic number.

3865010573865 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3865010573865 is a deficient number, since it is larger than the sum of its proper divisors (3446142438615).

3865010573865 is a wasteful number, since it uses less digits than its factorization.

3865010573865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269297441.

The product of its (nonzero) digits is 18144000, while the sum is 57.

The spelling of 3865010573865 in words is "three trillion, eight hundred sixty-five billion, ten million, five hundred seventy-three thousand, eight hundred sixty-five".