13081685495 has 4 divisors (see below), whose sum is σ = 15698022600. Its totient is φ = 10465348392.

The previous prime is 13081685437. The next prime is 13081685531. The reversal of 13081685495 is 59458618031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13081685495 - 2¹⁶ = 13081619959 is a prime.

It is a super-2 number, since 2×13081685495² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1308168545 + ... + 1308168554.

It is an arithmetic number, because the mean of its divisors is an integer number (3924505650).

Almost surely, 2^13081685495 is an apocalyptic number.

13081685495 is a deficient number, since it is larger than the sum of its proper divisors (2616337105).

13081685495 is an equidigital number, since it uses as much as digits as its factorization.

13081685495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616337104.

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 13081685495 in words is "thirteen billion, eighty-one million, six hundred eighty-five thousand, four hundred ninety-five".