21622725763 has 8 divisors (see below), whose sum is σ = 21679338128. Its totient is φ = 21566145024.

The previous prime is 21622725679. The next prime is 21622725769. The reversal of 21622725763 is 36752722612.

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 21622725763 - 2⁹ = 21622725251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21622725769) 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 7 ways as a sum of consecutive naturals, for example, 2011120 + ... + 2021842.

It is an arithmetic number, because the mean of its divisors is an integer number (2709917266).

Almost surely, 2^21622725763 is an apocalyptic number.

21622725763 is a deficient number, since it is larger than the sum of its proper divisors (56612365).

21622725763 is a wasteful number, since it uses less digits than its factorization.

21622725763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15813.

The product of its digits is 423360, while the sum is 43.

The spelling of 21622725763 in words is "twenty-one billion, six hundred twenty-two million, seven hundred twenty-five thousand, seven hundred sixty-three".