13996563839 has 2 divisors, whose sum is σ = 13996563840. Its totient is φ = 13996563838.

The previous prime is 13996563821. The next prime is 13996563851. The reversal of 13996563839 is 93836569931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13996563839 - 2¹² = 13996559743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13996593839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6998281919 + 6998281920.

It is an arithmetic number, because the mean of its divisors is an integer number (6998281920).

Almost surely, 2^13996563839 is an apocalyptic number.

13996563839 is a deficient number, since it is larger than the sum of its proper divisors (1).

13996563839 is an equidigital number, since it uses as much as digits as its factorization.

13996563839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28343520, while the sum is 62.

The spelling of 13996563839 in words is "thirteen billion, nine hundred ninety-six million, five hundred sixty-three thousand, eight hundred thirty-nine".