63125628197 has 4 divisors (see below), whose sum is σ = 65161938816. Its totient is φ = 61089317580.

The previous prime is 63125628191. The next prime is 63125628211. The reversal of 63125628197 is 79182652136.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63125628197 - 2⁶ = 63125628133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63125628191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018155263 + ... + 1018155324.

It is an arithmetic number, because the mean of its divisors is an integer number (16290484704).

Almost surely, 2^63125628197 is an apocalyptic number.

It is an amenable number.

63125628197 is a deficient number, since it is larger than the sum of its proper divisors (2036310619).

63125628197 is a wasteful number, since it uses less digits than its factorization.

63125628197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036310618.

The product of its digits is 1088640, while the sum is 50.

The spelling of 63125628197 in words is "sixty-three billion, one hundred twenty-five million, six hundred twenty-eight thousand, one hundred ninety-seven".