395865153040799 has 12 divisors (see below), whose sum is σ = 433077878053296. Its totient is φ = 361646832897792.

The previous prime is 395865153040741. The next prime is 395865153040843. The reversal of 395865153040799 is 997040351568593.

It is a de Polignac number, because none of the positive numbers 2^k-395865153040799 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 (395865153040729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12074196779 + ... + 12074229564.

It is an arithmetic number, because the mean of its divisors is an integer number (36089823171108).

Almost surely, 2^{395865153040799} is an apocalyptic number.

395865153040799 is a deficient number, since it is larger than the sum of its proper divisors (37212725012497).

395865153040799 is a wasteful number, since it uses less digits than its factorization.

395865153040799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24148426466 (or 24148426453 counting only the distinct ones).

The product of its (nonzero) digits is 1102248000, while the sum is 74.

The spelling of 395865153040799 in words is "three hundred ninety-five trillion, eight hundred sixty-five billion, one hundred fifty-three million, forty thousand, seven hundred ninety-nine".