63672510091 has 8 divisors (see below), whose sum is σ = 65437971984. Its totient is φ = 61917166080.

The previous prime is 63672510071. The next prime is 63672510103. The reversal of 63672510091 is 19001527636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63672510091 - 2⁵ = 63672510059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63672510061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2516710 + ... + 2541883.

It is an arithmetic number, because the mean of its divisors is an integer number (8179746498).

Almost surely, 2^63672510091 is an apocalyptic number.

63672510091 is a deficient number, since it is larger than the sum of its proper divisors (1765461893).

63672510091 is a wasteful number, since it uses less digits than its factorization.

63672510091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058941.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 63672510091 in words is "sixty-three billion, six hundred seventy-two million, five hundred ten thousand, ninety-one".