22953007681 has 2 divisors, whose sum is σ = 22953007682. Its totient is φ = 22953007680.

The previous prime is 22953007673. The next prime is 22953007751. The reversal of 22953007681 is 18670035922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19339074225 + 3613933456 = 139065^2 + 60116^2 .

It is a cyclic number.

It is not a de Polignac number, because 22953007681 - 2³ = 22953007673 is a prime.

It is a super-2 number, since 2×22953007681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22953007621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11476503840 + 11476503841.

It is an arithmetic number, because the mean of its divisors is an integer number (11476503841).

Almost surely, 2^22953007681 is an apocalyptic number.

It is an amenable number.

22953007681 is a deficient number, since it is larger than the sum of its proper divisors (1).

22953007681 is an equidigital number, since it uses as much as digits as its factorization.

22953007681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 22953007681 in words is "twenty-two billion, nine hundred fifty-three million, seven thousand, six hundred eighty-one".