63125628191 has 2 divisors, whose sum is σ = 63125628192. Its totient is φ = 63125628190.

The previous prime is 63125628173. The next prime is 63125628211. The reversal of 63125628191 is 19182652136.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63125628191 - 2²⁶ = 63058519327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63125628151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31562814095 + 31562814096.

It is an arithmetic number, because the mean of its divisors is an integer number (31562814096).

Almost surely, 2^63125628191 is an apocalyptic number.

63125628191 is a deficient number, since it is larger than the sum of its proper divisors (1).

63125628191 is an equidigital number, since it uses as much as digits as its factorization.

63125628191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 44.

The spelling of 63125628191 in words is "sixty-three billion, one hundred twenty-five million, six hundred twenty-eight thousand, one hundred ninety-one".