22753458521 has 2 divisors, whose sum is σ = 22753458522. Its totient is φ = 22753458520.

The previous prime is 22753458517. The next prime is 22753458527. The reversal of 22753458521 is 12585435722.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21782512921 + 970945600 = 147589^2 + 31160^2 .

It is a cyclic number.

It is not a de Polignac number, because 22753458521 - 2² = 22753458517 is a prime.

It is not a weakly prime, because it can be changed into another prime (22753458527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11376729260 + 11376729261.

It is an arithmetic number, because the mean of its divisors is an integer number (11376729261).

Almost surely, 2^22753458521 is an apocalyptic number.

It is an amenable number.

22753458521 is a deficient number, since it is larger than the sum of its proper divisors (1).

22753458521 is an equidigital number, since it uses as much as digits as its factorization.

22753458521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672000, while the sum is 44.

The spelling of 22753458521 in words is "twenty-two billion, seven hundred fifty-three million, four hundred fifty-eight thousand, five hundred twenty-one".