14689842539 has 2 divisors, whose sum is σ = 14689842540. Its totient is φ = 14689842538.

The previous prime is 14689842521. The next prime is 14689842569. The reversal of 14689842539 is 93524898641.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14689842539 is a prime.

It is a super-2 number, since 2×14689842539² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (14689842569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7344921269 + 7344921270.

It is an arithmetic number, because the mean of its divisors is an integer number (7344921270).

Almost surely, 2^14689842539 is an apocalyptic number.

14689842539 is a deficient number, since it is larger than the sum of its proper divisors (1).

14689842539 is an equidigital number, since it uses as much as digits as its factorization.

14689842539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14929920, while the sum is 59.

The spelling of 14689842539 in words is "fourteen billion, six hundred eighty-nine million, eight hundred forty-two thousand, five hundred thirty-nine".