5131316815633 has 2 divisors, whose sum is σ = 5131316815634. Its totient is φ = 5131316815632.

The previous prime is 5131316815567. The next prime is 5131316815637. The reversal of 5131316815633 is 3365186131315.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5070477139984 + 60839675649 = 2251772^2 + 246657^2 .

It is a cyclic number.

It is not a de Polignac number, because 5131316815633 - 2¹⁷ = 5131316684561 is a prime.

It is not a weakly prime, because it can be changed into another prime (5131316815637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565658407816 + 2565658407817.

It is an arithmetic number, because the mean of its divisors is an integer number (2565658407817).

Almost surely, 2^{5131316815633} is an apocalyptic number.

It is an amenable number.

5131316815633 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131316815633 is an equidigital number, since it uses as much as digits as its factorization.

5131316815633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 46.

The spelling of 5131316815633 in words is "five trillion, one hundred thirty-one billion, three hundred sixteen million, eight hundred fifteen thousand, six hundred thirty-three".