399703586271 has 16 divisors (see below), whose sum is σ = 615586272768. Its totient is φ = 227994915200.

The previous prime is 399703586179. The next prime is 399703586279. The reversal of 399703586271 is 172685307993.

It is not a de Polignac number, because 399703586271 - 2⁹ = 399703585759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399703586279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356241495 + ... + 356242616.

It is an arithmetic number, because the mean of its divisors is an integer number (38474142048).

Almost surely, 2^399703586271 is an apocalyptic number.

399703586271 is a deficient number, since it is larger than the sum of its proper divisors (215882686497).

399703586271 is a wasteful number, since it uses less digits than its factorization.

399703586271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712484142.

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 399703586271 in words is "three hundred ninety-nine billion, seven hundred three million, five hundred eighty-six thousand, two hundred seventy-one".