399713894106 has 16 divisors (see below), whose sum is σ = 841502935200. Its totient is φ = 126225440208.

The previous prime is 399713894081. The next prime is 399713894123. The reversal of 399713894106 is 601498317993.

It is a self number, because there is not a number n which added to its sum of digits gives 399713894106.

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 7 ways as a sum of consecutive naturals, for example, 1753131001 + ... + 1753131228.

It is an arithmetic number, because the mean of its divisors is an integer number (52593933450).

Almost surely, 2^399713894106 is an apocalyptic number.

399713894106 is an abundant number, since it is smaller than the sum of its proper divisors (441789041094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

399713894106 is a wasteful number, since it uses less digits than its factorization.

399713894106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506262253.

The product of its (nonzero) digits is 8817984, while the sum is 60.

The spelling of 399713894106 in words is "three hundred ninety-nine billion, seven hundred thirteen million, eight hundred ninety-four thousand, one hundred six".