14989726613 has 2 divisors, whose sum is σ = 14989726614. Its totient is φ = 14989726612.

The previous prime is 14989726579. The next prime is 14989726627. The reversal of 14989726613 is 31662798941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14938217284 + 51509329 = 122222^2 + 7177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14989726613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14989726673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7494863306 + 7494863307.

It is an arithmetic number, because the mean of its divisors is an integer number (7494863307).

Almost surely, 2^14989726613 is an apocalyptic number.

It is an amenable number.

14989726613 is a deficient number, since it is larger than the sum of its proper divisors (1).

14989726613 is an equidigital number, since it uses as much as digits as its factorization.

14989726613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 56.

The spelling of 14989726613 in words is "fourteen billion, nine hundred eighty-nine million, seven hundred twenty-six thousand, six hundred thirteen".