22452756493 has 2 divisors, whose sum is σ = 22452756494. Its totient is φ = 22452756492.

The previous prime is 22452756407. The next prime is 22452756499. The reversal of 22452756493 is 39465725422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12564840649 + 9887915844 = 112093^2 + 99438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22452756493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22452756499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11226378246 + 11226378247.

It is an arithmetic number, because the mean of its divisors is an integer number (11226378247).

Almost surely, 2^22452756493 is an apocalyptic number.

It is an amenable number.

22452756493 is a deficient number, since it is larger than the sum of its proper divisors (1).

22452756493 is an equidigital number, since it uses as much as digits as its factorization.

22452756493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 49.

The spelling of 22452756493 in words is "twenty-two billion, four hundred fifty-two million, seven hundred fifty-six thousand, four hundred ninety-three".