63140688529 has 2 divisors, whose sum is σ = 63140688530. Its totient is φ = 63140688528.

The previous prime is 63140688517. The next prime is 63140688557. The reversal of 63140688529 is 92588604136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52382850129 + 10757838400 = 228873^2 + 103720^2 .

It is a cyclic number.

It is not a de Polignac number, because 63140688529 - 2⁵ = 63140688497 is a prime.

It is not a weakly prime, because it can be changed into another prime (63140688829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31570344264 + 31570344265.

It is an arithmetic number, because the mean of its divisors is an integer number (31570344265).

Almost surely, 2^63140688529 is an apocalyptic number.

It is an amenable number.

63140688529 is a deficient number, since it is larger than the sum of its proper divisors (1).

63140688529 is an equidigital number, since it uses as much as digits as its factorization.

63140688529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 63140688529 in words is "sixty-three billion, one hundred forty million, six hundred eighty-eight thousand, five hundred twenty-nine".