21672792195 has 8 divisors (see below), whose sum is σ = 34676467536. Its totient is φ = 11558822496.

The previous prime is 21672792181. The next prime is 21672792223. The reversal of 21672792195 is 59129727612.

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

It is not a de Polignac number, because 21672792195 - 2¹⁸ = 21672530051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722426392 + ... + 722426421.

It is an arithmetic number, because the mean of its divisors is an integer number (4334558442).

Almost surely, 2^21672792195 is an apocalyptic number.

21672792195 is a deficient number, since it is larger than the sum of its proper divisors (13003675341).

21672792195 is a wasteful number, since it uses less digits than its factorization.

21672792195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444852821.

The product of its digits is 952560, while the sum is 51.

The spelling of 21672792195 in words is "twenty-one billion, six hundred seventy-two million, seven hundred ninety-two thousand, one hundred ninety-five".