21795776962 has 8 divisors (see below), whose sum is σ = 33453983376. Its totient is φ = 10644449172.

The previous prime is 21795776953. The next prime is 21795776963. The reversal of 21795776962 is 26967759712.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21795776962.

It is not an unprimeable number, because it can be changed into a prime (21795776963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126719548 + ... + 126719719.

It is an arithmetic number, because the mean of its divisors is an integer number (4181747922).

Almost surely, 2^21795776962 is an apocalyptic number.

21795776962 is a deficient number, since it is larger than the sum of its proper divisors (11658206414).

21795776962 is a wasteful number, since it uses less digits than its factorization.

21795776962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253439312.

The product of its digits is 20003760, while the sum is 61.

The spelling of 21795776962 in words is "twenty-one billion, seven hundred ninety-five million, seven hundred seventy-six thousand, nine hundred sixty-two".