63316572734791 has 2 divisors, whose sum is σ = 63316572734792. Its totient is φ = 63316572734790.

The previous prime is 63316572734741. The next prime is 63316572734801. The reversal of 63316572734791 is 19743727561336.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63316572734791 - 2²³ = 63316564346183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63316572734711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31658286367395 + 31658286367396.

It is an arithmetic number, because the mean of its divisors is an integer number (31658286367396).

Almost surely, 2^{63316572734791} is an apocalyptic number.

63316572734791 is a deficient number, since it is larger than the sum of its proper divisors (1).

63316572734791 is an equidigital number, since it uses as much as digits as its factorization.

63316572734791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120022560, while the sum is 64.

The spelling of 63316572734791 in words is "sixty-three trillion, three hundred sixteen billion, five hundred seventy-two million, seven hundred thirty-four thousand, seven hundred ninety-one".