399713966206 has 16 divisors (see below), whose sum is σ = 620808235200. Its totient is φ = 192790386208.

The previous prime is 399713966189. The next prime is 399713966221. The reversal of 399713966206 is 602669317993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3060061 + ... + 3188008.

It is an arithmetic number, because the mean of its divisors is an integer number (38800514700).

Almost surely, 2^399713966206 is an apocalyptic number.

399713966206 is a deficient number, since it is larger than the sum of its proper divisors (221094268994).

399713966206 is a wasteful number, since it uses less digits than its factorization.

399713966206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6249203.

The product of its (nonzero) digits is 19840464, while the sum is 61.

The spelling of 399713966206 in words is "three hundred ninety-nine billion, seven hundred thirteen million, nine hundred sixty-six thousand, two hundred six".