63799125191 has 4 divisors (see below), whose sum is σ = 63800044584. Its totient is φ = 63798205800.

The previous prime is 63799125149. The next prime is 63799125193. The reversal of 63799125191 is 19152199736.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63799125191 - 2¹⁰ = 63799124167 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 (63799125193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346280 + ... + 497501.

It is an arithmetic number, because the mean of its divisors is an integer number (15950011146).

Almost surely, 2^63799125191 is an apocalyptic number.

63799125191 is a deficient number, since it is larger than the sum of its proper divisors (919393).

63799125191 is an equidigital number, since it uses as much as digits as its factorization.

63799125191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919392.

The product of its digits is 918540, while the sum is 53.

The spelling of 63799125191 in words is "sixty-three billion, seven hundred ninety-nine million, one hundred twenty-five thousand, one hundred ninety-one".