13756461657 has 16 divisors (see below), whose sum is σ = 18893626752. Its totient is φ = 8896608000.

The previous prime is 13756461623. The next prime is 13756461671. The reversal of 13756461657 is 75616465731.

It is not a de Polignac number, because 13756461657 - 2¹¹ = 13756459609 is a prime.

It is a super-2 number, since 2×13756461657² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13756461457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146469 + ... + 221282.

It is an arithmetic number, because the mean of its divisors is an integer number (1180851672).

Almost surely, 2^13756461657 is an apocalyptic number.

It is an amenable number.

13756461657 is a deficient number, since it is larger than the sum of its proper divisors (5137165095).

13756461657 is a wasteful number, since it uses less digits than its factorization.

13756461657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368128.

The product of its digits is 3175200, while the sum is 51.

The spelling of 13756461657 in words is "thirteen billion, seven hundred fifty-six million, four hundred sixty-one thousand, six hundred fifty-seven".