399297706005 has 32 divisors (see below), whose sum is σ = 705353080320. Its totient is φ = 191266364480.

The previous prime is 399297705979. The next prime is 399297706033. The reversal of 399297706005 is 500607792993.

It is not a de Polignac number, because 399297706005 - 2²⁰ = 399296657429 is a prime.

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, 14564535 + ... + 14591924.

It is an arithmetic number, because the mean of its divisors is an integer number (22042283760).

Almost surely, 2^399297706005 is an apocalyptic number.

It is an amenable number.

399297706005 is a deficient number, since it is larger than the sum of its proper divisors (306055374315).

399297706005 is a wasteful number, since it uses less digits than its factorization.

399297706005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29156561.

The product of its (nonzero) digits is 6429780, while the sum is 57.

The spelling of 399297706005 in words is "three hundred ninety-nine billion, two hundred ninety-seven million, seven hundred six thousand, five".