5657617540731 has 64 divisors (see below), whose sum is σ = 8670932121600. Its totient is φ = 3252259620864.

The previous prime is 5657617540723. The next prime is 5657617540739. The reversal of 5657617540731 is 1370457167565.

It is an interprime number because it is at equal distance from previous prime (5657617540723) and next prime (5657617540739).

It is not a de Polignac number, because 5657617540731 - 2³ = 5657617540723 is a prime.

It is a super-2 number, since 2×5657617540731² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (5657617540739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 220307950 + ... + 220333628.

It is an arithmetic number, because the mean of its divisors is an integer number (135483314400).

Almost surely, 2^{5657617540731} is an apocalyptic number.

5657617540731 is a deficient number, since it is larger than the sum of its proper divisors (3013314580869).

5657617540731 is a wasteful number, since it uses less digits than its factorization.

5657617540731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29860.

The product of its (nonzero) digits is 18522000, while the sum is 57.

The spelling of 5657617540731 in words is "five trillion, six hundred fifty-seven billion, six hundred seventeen million, five hundred forty thousand, seven hundred thirty-one".