12791137486 has 16 divisors (see below), whose sum is σ = 19610173440. Its totient is φ = 6255831960.

The previous prime is 12791137481. The next prime is 12791137511. The reversal of 12791137486 is 68473119721.

It is a super-2 number, since 2×12791137486² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12791137481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336606 + ... + 372673.

It is an arithmetic number, because the mean of its divisors is an integer number (1225635840).

Almost surely, 2^12791137486 is an apocalyptic number.

12791137486 is a deficient number, since it is larger than the sum of its proper divisors (6819035954).

12791137486 is a wasteful number, since it uses less digits than its factorization.

12791137486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709479.

The product of its digits is 508032, while the sum is 49.

The spelling of 12791137486 in words is "twelve billion, seven hundred ninety-one million, one hundred thirty-seven thousand, four hundred eighty-six".