63317710013 has 2 divisors, whose sum is σ = 63317710014. Its totient is φ = 63317710012.

The previous prime is 63317709977. The next prime is 63317710037. The reversal of 63317710013 is 31001771336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52625736409 + 10691973604 = 229403^2 + 103402^2 .

It is a cyclic number.

It is not a de Polignac number, because 63317710013 - 2²² = 63313515709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63317710073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31658855006 + 31658855007.

It is an arithmetic number, because the mean of its divisors is an integer number (31658855007).

Almost surely, 2^63317710013 is an apocalyptic number.

It is an amenable number.

63317710013 is a deficient number, since it is larger than the sum of its proper divisors (1).

63317710013 is an equidigital number, since it uses as much as digits as its factorization.

63317710013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 32.

The spelling of 63317710013 in words is "sixty-three billion, three hundred seventeen million, seven hundred ten thousand, thirteen".