22978992793 has 2 divisors, whose sum is σ = 22978992794. Its totient is φ = 22978992792.

The previous prime is 22978992791. The next prime is 22978992811. The reversal of 22978992793 is 39729987922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22352642064 + 626350729 = 149508^2 + 25027^2 .

It is a cyclic number.

It is not a de Polignac number, because 22978992793 - 2¹ = 22978992791 is a prime.

Together with 22978992791, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22978992791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11489496396 + 11489496397.

It is an arithmetic number, because the mean of its divisors is an integer number (11489496397).

Almost surely, 2^22978992793 is an apocalyptic number.

It is an amenable number.

22978992793 is a deficient number, since it is larger than the sum of its proper divisors (1).

22978992793 is an equidigital number, since it uses as much as digits as its factorization.

22978992793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61725888, while the sum is 67.

The spelling of 22978992793 in words is "twenty-two billion, nine hundred seventy-eight million, nine hundred ninety-two thousand, seven hundred ninety-three".