13981562839 has 2 divisors, whose sum is σ = 13981562840. Its totient is φ = 13981562838.

The previous prime is 13981562741. The next prime is 13981562863. The reversal of 13981562839 is 93826518931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13981562839 - 2¹⁷ = 13981431767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13981562839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13981562879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6990781419 + 6990781420.

It is an arithmetic number, because the mean of its divisors is an integer number (6990781420).

Almost surely, 2^13981562839 is an apocalyptic number.

13981562839 is a deficient number, since it is larger than the sum of its proper divisors (1).

13981562839 is an equidigital number, since it uses as much as digits as its factorization.

13981562839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 55.

The spelling of 13981562839 in words is "thirteen billion, nine hundred eighty-one million, five hundred sixty-two thousand, eight hundred thirty-nine".