63140638529 has 2 divisors, whose sum is σ = 63140638530. Its totient is φ = 63140638528.

The previous prime is 63140638511. The next prime is 63140638541. The reversal of 63140638529 is 92583604136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63071299600 + 69338929 = 251140^2 + 8327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63140638529 is a prime.

It is not a weakly prime, because it can be changed into another prime (63140688529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31570319264 + 31570319265.

It is an arithmetic number, because the mean of its divisors is an integer number (31570319265).

Almost surely, 2^63140638529 is an apocalyptic number.

It is an amenable number.

63140638529 is a deficient number, since it is larger than the sum of its proper divisors (1).

63140638529 is an equidigital number, since it uses as much as digits as its factorization.

63140638529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 63140638529 in words is "sixty-three billion, one hundred forty million, six hundred thirty-eight thousand, five hundred twenty-nine".