399107090913 has 16 divisors (see below), whose sum is σ = 537130162176. Its totient is φ = 263583936000.

The previous prime is 399107090887. The next prime is 399107090923. The reversal of 399107090913 is 319090701993.

It is not a de Polignac number, because 399107090913 - 2¹² = 399107086817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (399107090923) 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, 521838 + ... + 1034663.

It is an arithmetic number, because the mean of its divisors is an integer number (33570635136).

Almost surely, 2^399107090913 is an apocalyptic number.

It is an amenable number.

399107090913 is a deficient number, since it is larger than the sum of its proper divisors (138023071263).

399107090913 is a wasteful number, since it uses less digits than its factorization.

399107090913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557304.

The product of its (nonzero) digits is 413343, while the sum is 51.

The spelling of 399107090913 in words is "three hundred ninety-nine billion, one hundred seven million, ninety thousand, nine hundred thirteen".