16439334913 has 16 divisors (see below), whose sum is σ = 17113351680. Its totient is φ = 15777792576.

The previous prime is 16439334911. The next prime is 16439334931. The reversal of 16439334913 is 31943393461.

It is a cyclic number.

It is not a de Polignac number, because 16439334913 - 2¹ = 16439334911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16439334911) 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, 4362156 + ... + 4365922.

It is an arithmetic number, because the mean of its divisors is an integer number (1069584480).

Almost surely, 2^16439334913 is an apocalyptic number.

It is an amenable number.

16439334913 is a deficient number, since it is larger than the sum of its proper divisors (674016767).

16439334913 is a wasteful number, since it uses less digits than its factorization.

16439334913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5376.

The product of its digits is 629856, while the sum is 46.

The spelling of 16439334913 in words is "sixteen billion, four hundred thirty-nine million, three hundred thirty-four thousand, nine hundred thirteen".