12695454794 has 12 divisors (see below), whose sum is σ = 20931762642. Its totient is φ = 5770661160.

The previous prime is 12695454767. The next prime is 12695454823. The reversal of 12695454794 is 49745459621.

It can be written as a sum of positive squares in only one way, i.e., 9982607569 + 2712847225 = 99913^2 + 52085^2 .

It is a super-2 number, since 2×12695454794² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26230037 + ... + 26230520.

Almost surely, 2^12695454794 is an apocalyptic number.

12695454794 is a deficient number, since it is larger than the sum of its proper divisors (8236307848).

12695454794 is a wasteful number, since it uses less digits than its factorization.

12695454794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52460581 (or 52460570 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 56.

The spelling of 12695454794 in words is "twelve billion, six hundred ninety-five million, four hundred fifty-four thousand, seven hundred ninety-four".