5631757687651 has 2 divisors, whose sum is σ = 5631757687652. Its totient is φ = 5631757687650.

The previous prime is 5631757687601. The next prime is 5631757687667. The reversal of 5631757687651 is 1567867571365.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5631757687651 is a prime.

It is a super-2 number, since 2×5631757687651² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5631757687601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2815878843825 + 2815878843826.

It is an arithmetic number, because the mean of its divisors is an integer number (2815878843826).

Almost surely, 2^{5631757687651} is an apocalyptic number.

5631757687651 is a deficient number, since it is larger than the sum of its proper divisors (1).

5631757687651 is an equidigital number, since it uses as much as digits as its factorization.

5631757687651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 222264000, while the sum is 67.

The spelling of 5631757687651 in words is "five trillion, six hundred thirty-one billion, seven hundred fifty-seven million, six hundred eighty-seven thousand, six hundred fifty-one".