22764366613 has 4 divisors (see below), whose sum is σ = 24103447020. Its totient is φ = 21425286208.

The previous prime is 22764366607. The next prime is 22764366629. The reversal of 22764366613 is 31666346722.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12888379729 + 9875986884 = 113527^2 + 99378^2 .

It is a cyclic number.

It is not a de Polignac number, because 22764366613 - 2²¹ = 22762269461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22764366113) 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, 669540178 + ... + 669540211.

It is an arithmetic number, because the mean of its divisors is an integer number (6025861755).

Almost surely, 2^22764366613 is an apocalyptic number.

It is an amenable number.

22764366613 is a deficient number, since it is larger than the sum of its proper divisors (1339080407).

22764366613 is a wasteful number, since it uses less digits than its factorization.

22764366613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339080406.

The product of its digits is 1306368, while the sum is 46.

The spelling of 22764366613 in words is "twenty-two billion, seven hundred sixty-four million, three hundred sixty-six thousand, six hundred thirteen".