13539316659 has 16 divisors (see below), whose sum is σ = 19856313984. Its totient is φ = 8205644040.

The previous prime is 13539316639. The next prime is 13539316667. The reversal of 13539316659 is 95661393531.

It is a happy number.

It is not a de Polignac number, because 13539316659 - 2¹⁷ = 13539185587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13539316639) 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, 1691389 + ... + 1699374.

It is an arithmetic number, because the mean of its divisors is an integer number (1241019624).

Almost surely, 2^13539316659 is an apocalyptic number.

13539316659 is a deficient number, since it is larger than the sum of its proper divisors (6316997325).

13539316659 is an equidigital number, since it uses as much as digits as its factorization.

13539316659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390799 (or 3390777 counting only the distinct ones).

The product of its digits is 1968300, while the sum is 51.

The spelling of 13539316659 in words is "thirteen billion, five hundred thirty-nine million, three hundred sixteen thousand, six hundred fifty-nine".