5631651640597 has 2 divisors, whose sum is σ = 5631651640598. Its totient is φ = 5631651640596.

The previous prime is 5631651640523. The next prime is 5631651640607. The reversal of 5631651640597 is 7950461561365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4471537389201 + 1160114251396 = 2114601^2 + 1077086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5631651640597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5631651640297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2815825820298 + 2815825820299.

It is an arithmetic number, because the mean of its divisors is an integer number (2815825820299).

Almost surely, 2^{5631651640597} is an apocalyptic number.

It is an amenable number.

5631651640597 is a deficient number, since it is larger than the sum of its proper divisors (1).

5631651640597 is an equidigital number, since it uses as much as digits as its factorization.

5631651640597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412000, while the sum is 58.

The spelling of 5631651640597 in words is "five trillion, six hundred thirty-one billion, six hundred fifty-one million, six hundred forty thousand, five hundred ninety-seven".