22782809993 has 2 divisors, whose sum is σ = 22782809994. Its totient is φ = 22782809992.

The previous prime is 22782809957. The next prime is 22782810041. The reversal of 22782809993 is 39990828722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20342746384 + 2440063609 = 142628^2 + 49397^2 .

It is a cyclic number.

It is not a de Polignac number, because 22782809993 - 2¹⁰ = 22782808969 is a prime.

It is not a weakly prime, because it can be changed into another prime (22782859993) 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, 11391404996 + 11391404997.

It is an arithmetic number, because the mean of its divisors is an integer number (11391404997).

Almost surely, 2^22782809993 is an apocalyptic number.

It is an amenable number.

22782809993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22782809993 is an equidigital number, since it uses as much as digits as its factorization.

22782809993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 22782809993 in words is "twenty-two billion, seven hundred eighty-two million, eight hundred nine thousand, nine hundred ninety-three".