21923422701769 has 4 divisors (see below), whose sum is σ = 21946094287744. Its totient is φ = 21900751115796.

The previous prime is 21923422701707. The next prime is 21923422701773. The reversal of 21923422701769 is 96710722432912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21923422701769 is a prime.

It is a super-2 number, since 2×21923422701769² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21923422708769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11335791537 + ... + 11335793470.

It is an arithmetic number, because the mean of its divisors is an integer number (5486523571936).

Almost surely, 2^{21923422701769} is an apocalyptic number.

It is an amenable number.

21923422701769 is a deficient number, since it is larger than the sum of its proper divisors (22671585975).

21923422701769 is an equidigital number, since it uses as much as digits as its factorization.

21923422701769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22671585974.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 21923422701769 in words is "twenty-one trillion, nine hundred twenty-three billion, four hundred twenty-two million, seven hundred one thousand, seven hundred sixty-nine".