399229000039 has 16 divisors (see below), whose sum is σ = 410313808800. Its totient is φ = 388290760704.

The previous prime is 399228999971. The next prime is 399229000063. The reversal of 399229000039 is 930000922993.

It is a cyclic number.

It is not a de Polignac number, because 399229000039 - 2¹¹ = 399228997991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399229000139) 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, 21148497 + ... + 21167365.

It is an arithmetic number, because the mean of its divisors is an integer number (25644613050).

Almost surely, 2^399229000039 is an apocalyptic number.

399229000039 is a deficient number, since it is larger than the sum of its proper divisors (11084808761).

399229000039 is a wasteful number, since it uses less digits than its factorization.

With its successor (399229000040) it forms an eRAP, since the sums of their prime factors are consecutive (22722 and 22723).

399229000039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22722.

The product of its (nonzero) digits is 236196, while the sum is 46.

The spelling of 399229000039 in words is "three hundred ninety-nine billion, two hundred twenty-nine million, thirty-nine", and thus it is an aban number.