21962364667 has 8 divisors (see below), whose sum is σ = 22378997520. Its totient is φ = 21545815200.

The previous prime is 21962364653. The next prime is 21962364673. The reversal of 21962364667 is 76646326912.

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 21962364667 - 2²⁷ = 21828146939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21960364667) 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, 859309 + ... + 884497.

It is an arithmetic number, because the mean of its divisors is an integer number (2797374690).

Almost surely, 2^21962364667 is an apocalyptic number.

21962364667 is a deficient number, since it is larger than the sum of its proper divisors (416632853).

21962364667 is a wasteful number, since it uses less digits than its factorization.

21962364667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41693.

The product of its digits is 3919104, while the sum is 52.

The spelling of 21962364667 in words is "twenty-one billion, nine hundred sixty-two million, three hundred sixty-four thousand, six hundred sixty-seven".