22973985893 has 2 divisors, whose sum is σ = 22973985894. Its totient is φ = 22973985892.

The previous prime is 22973985871. The next prime is 22973985953. The reversal of 22973985893 is 39858937922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22730688289 + 243297604 = 150767^2 + 15598^2 .

It is a cyclic number.

It is not a de Polignac number, because 22973985893 - 2⁸ = 22973985637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22973985193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11486992946 + 11486992947.

It is an arithmetic number, because the mean of its divisors is an integer number (11486992947).

Almost surely, 2^22973985893 is an apocalyptic number.

It is an amenable number.

22973985893 is a deficient number, since it is larger than the sum of its proper divisors (1).

22973985893 is an equidigital number, since it uses as much as digits as its factorization.

22973985893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58786560, while the sum is 65.

The spelling of 22973985893 in words is "twenty-two billion, nine hundred seventy-three million, nine hundred eighty-five thousand, eight hundred ninety-three".