22543259873 has 2 divisors, whose sum is σ = 22543259874. Its totient is φ = 22543259872.

The previous prime is 22543259863. The next prime is 22543259891. The reversal of 22543259873 is 37895234522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22394224609 + 149035264 = 149647^2 + 12208^2 .

It is a cyclic number.

It is not a de Polignac number, because 22543259873 - 2²⁸ = 22274824417 is a prime.

It is a super-2 number, since 2×22543259873² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22543259833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11271629936 + 11271629937.

It is an arithmetic number, because the mean of its divisors is an integer number (11271629937).

Almost surely, 2^22543259873 is an apocalyptic number.

It is an amenable number.

22543259873 is a deficient number, since it is larger than the sum of its proper divisors (1).

22543259873 is an equidigital number, since it uses as much as digits as its factorization.

22543259873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 50.

The spelling of 22543259873 in words is "twenty-two billion, five hundred forty-three million, two hundred fifty-nine thousand, eight hundred seventy-three".