399253945095 has 24 divisors (see below), whose sum is σ = 692058983616. Its totient is φ = 212929649088.

The previous prime is 399253945063. The next prime is 399253945159. The reversal of 399253945095 is 590549352993.

399253945095 is a `hidden beast` number, since 3 + 9 + 9 + 2 + 539 + 4 + 5 + 0 + 95 = 666.

It is not a de Polignac number, because 399253945095 - 2⁵ = 399253945063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1940242 + ... + 2136128.

It is an arithmetic number, because the mean of its divisors is an integer number (28835790984).

Almost surely, 2^399253945095 is an apocalyptic number.

399253945095 is a deficient number, since it is larger than the sum of its proper divisors (292805038521).

399253945095 is a wasteful number, since it uses less digits than its factorization.

399253945095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241191 (or 241188 counting only the distinct ones).

The product of its (nonzero) digits is 59049000, while the sum is 63.

The spelling of 399253945095 in words is "three hundred ninety-nine billion, two hundred fifty-three million, nine hundred forty-five thousand, ninety-five".