22946612389 has 2 divisors, whose sum is σ = 22946612390. Its totient is φ = 22946612388.

The previous prime is 22946612387. The next prime is 22946612401. The reversal of 22946612389 is 98321664922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17043302500 + 5903309889 = 130550^2 + 76833^2 .

It is a cyclic number.

It is not a de Polignac number, because 22946612389 - 2¹ = 22946612387 is a prime.

Together with 22946612387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22946612383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11473306194 + 11473306195.

It is an arithmetic number, because the mean of its divisors is an integer number (11473306195).

Almost surely, 2^22946612389 is an apocalyptic number.

It is an amenable number.

22946612389 is a deficient number, since it is larger than the sum of its proper divisors (1).

22946612389 is an equidigital number, since it uses as much as digits as its factorization.

22946612389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 52.

The spelling of 22946612389 in words is "twenty-two billion, nine hundred forty-six million, six hundred twelve thousand, three hundred eighty-nine".