12631658259 has 24 divisors (see below), whose sum is σ = 19206919872. Its totient is φ = 7322690320.

The previous prime is 12631658243. The next prime is 12631658279. The reversal of 12631658259 is 95285613621.

It is not a de Polignac number, because 12631658259 - 2⁴ = 12631658243 is a prime.

It is a super-2 number, since 2×12631658259² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12631658239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 344337 + ... + 379250.

It is an arithmetic number, because the mean of its divisors is an integer number (800288328).

Almost surely, 2^12631658259 is an apocalyptic number.

12631658259 is a deficient number, since it is larger than the sum of its proper divisors (6575261613).

12631658259 is a wasteful number, since it uses less digits than its factorization.

12631658259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723647 (or 723624 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The spelling of 12631658259 in words is "twelve billion, six hundred thirty-one million, six hundred fifty-eight thousand, two hundred fifty-nine".