63139902127 has 2 divisors, whose sum is σ = 63139902128. Its totient is φ = 63139902126.

The previous prime is 63139902103. The next prime is 63139902139. The reversal of 63139902127 is 72120993136.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63139902127 - 2¹⁹ = 63139377839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63139902157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31569951063 + 31569951064.

It is an arithmetic number, because the mean of its divisors is an integer number (31569951064).

Almost surely, 2^63139902127 is an apocalyptic number.

63139902127 is a deficient number, since it is larger than the sum of its proper divisors (1).

63139902127 is an equidigital number, since it uses as much as digits as its factorization.

63139902127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The spelling of 63139902127 in words is "sixty-three billion, one hundred thirty-nine million, nine hundred two thousand, one hundred twenty-seven".