13797635722 has 16 divisors (see below), whose sum is σ = 22290500232. Its totient is φ = 6367564800.

The previous prime is 13797635717. The next prime is 13797635767. The reversal of 13797635722 is 22753679731.

It can be written as a sum of positive squares in 4 ways, for example, as 11651259481 + 2146376241 = 107941^2 + 46329^2 .

It is a super-2 number, since 2×13797635722² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13797635722.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437178 + ... + 467674.

Almost surely, 2^13797635722 is an apocalyptic number.

13797635722 is a deficient number, since it is larger than the sum of its proper divisors (8492864510).

13797635722 is a wasteful number, since it uses less digits than its factorization.

13797635722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47913.

The product of its digits is 3333960, while the sum is 52.

The spelling of 13797635722 in words is "thirteen billion, seven hundred ninety-seven million, six hundred thirty-five thousand, seven hundred twenty-two".