22973535457 has 2 divisors, whose sum is σ = 22973535458. Its totient is φ = 22973535456.

The previous prime is 22973535437. The next prime is 22973535499. The reversal of 22973535457 is 75453537922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18824114401 + 4149421056 = 137201^2 + 64416^2 .

It is a cyclic number.

It is not a de Polignac number, because 22973535457 - 2²³ = 22965146849 is a prime.

It is not a weakly prime, because it can be changed into another prime (22973535437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11486767728 + 11486767729.

It is an arithmetic number, because the mean of its divisors is an integer number (11486767729).

Almost surely, 2^22973535457 is an apocalyptic number.

It is an amenable number.

22973535457 is a deficient number, since it is larger than the sum of its proper divisors (1).

22973535457 is an equidigital number, since it uses as much as digits as its factorization.

22973535457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7938000, while the sum is 52.

The spelling of 22973535457 in words is "twenty-two billion, nine hundred seventy-three million, five hundred thirty-five thousand, four hundred fifty-seven".