22411017765649 has 2 divisors, whose sum is σ = 22411017765650. Its totient is φ = 22411017765648.

The previous prime is 22411017765593. The next prime is 22411017765677. The reversal of 22411017765649 is 94656771011422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22386448770624 + 24568995025 = 4731432^2 + 156745^2 .

It is a cyclic number.

It is not a de Polignac number, because 22411017765649 - 2⁹ = 22411017765137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22411017765649.

It is not a weakly prime, because it can be changed into another prime (22411017765349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11205508882824 + 11205508882825.

It is an arithmetic number, because the mean of its divisors is an integer number (11205508882825).

Almost surely, 2^{22411017765649} is an apocalyptic number.

It is an amenable number.

22411017765649 is a deficient number, since it is larger than the sum of its proper divisors (1).

22411017765649 is an equidigital number, since it uses as much as digits as its factorization.

22411017765649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 22411017765649 in words is "twenty-two trillion, four hundred eleven billion, seventeen million, seven hundred sixty-five thousand, six hundred forty-nine".