63114636521 has 2 divisors, whose sum is σ = 63114636522. Its totient is φ = 63114636520.

The previous prime is 63114636479. The next prime is 63114636583. The reversal of 63114636521 is 12563641136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41662933225 + 21451703296 = 204115^2 + 146464^2 .

It is a cyclic number.

It is not a de Polignac number, because 63114636521 - 2¹⁸ = 63114374377 is a prime.

It is not a weakly prime, because it can be changed into another prime (63114636721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31557318260 + 31557318261.

It is an arithmetic number, because the mean of its divisors is an integer number (31557318261).

Almost surely, 2^63114636521 is an apocalyptic number.

It is an amenable number.

63114636521 is a deficient number, since it is larger than the sum of its proper divisors (1).

63114636521 is an equidigital number, since it uses as much as digits as its factorization.

63114636521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The spelling of 63114636521 in words is "sixty-three billion, one hundred fourteen million, six hundred thirty-six thousand, five hundred twenty-one".