63612364313 has 2 divisors, whose sum is σ = 63612364314. Its totient is φ = 63612364312.

The previous prime is 63612364271. The next prime is 63612364337. The reversal of 63612364313 is 31346321636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63610892944 + 1471369 = 252212^2 + 1213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63612364313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (63612364913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31806182156 + 31806182157.

It is an arithmetic number, because the mean of its divisors is an integer number (31806182157).

Almost surely, 2^63612364313 is an apocalyptic number.

It is an amenable number.

63612364313 is a deficient number, since it is larger than the sum of its proper divisors (1).

63612364313 is an equidigital number, since it uses as much as digits as its factorization.

63612364313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 38.

Adding to 63612364313 its reverse (31346321636), we get a palindrome (94958685949).

The spelling of 63612364313 in words is "sixty-three billion, six hundred twelve million, three hundred sixty-four thousand, three hundred thirteen".