22439789310817 has 4 divisors (see below), whose sum is σ = 22450531193860. Its totient is φ = 22429047427776.

The previous prime is 22439789310727. The next prime is 22439789310847. The reversal of 22439789310817 is 71801398793422.

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 18790222283361 + 3649567027456 = 4334769^2 + 1910384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22439789310817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22439789310847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5370938388 + ... + 5370942565.

It is an arithmetic number, because the mean of its divisors is an integer number (5612632798465).

Almost surely, 2^{22439789310817} is an apocalyptic number.

It is an amenable number.

22439789310817 is a deficient number, since it is larger than the sum of its proper divisors (10741883043).

22439789310817 is a wasteful number, since it uses less digits than its factorization.

22439789310817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10741883042.

The product of its (nonzero) digits is 36578304, while the sum is 64.

The spelling of 22439789310817 in words is "twenty-two trillion, four hundred thirty-nine billion, seven hundred eighty-nine million, three hundred ten thousand, eight hundred seventeen".