22741816729 has 2 divisors, whose sum is σ = 22741816730. Its totient is φ = 22741816728.

The previous prime is 22741816723. The next prime is 22741816751. The reversal of 22741816729 is 92761814722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12182199129 + 10559617600 = 110373^2 + 102760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22741816729 is a prime.

It is not a weakly prime, because it can be changed into another prime (22741816723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11370908364 + 11370908365.

It is an arithmetic number, because the mean of its divisors is an integer number (11370908365).

Almost surely, 2^22741816729 is an apocalyptic number.

It is an amenable number.

22741816729 is a deficient number, since it is larger than the sum of its proper divisors (1).

22741816729 is an equidigital number, since it uses as much as digits as its factorization.

22741816729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 49.

The spelling of 22741816729 in words is "twenty-two billion, seven hundred forty-one million, eight hundred sixteen thousand, seven hundred twenty-nine".