22461841813 has 2 divisors, whose sum is σ = 22461841814. Its totient is φ = 22461841812.

The previous prime is 22461841807. The next prime is 22461841847. The reversal of 22461841813 is 31814816422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22258551249 + 203290564 = 149193^2 + 14258^2 .

It is a cyclic number.

It is not a de Polignac number, because 22461841813 - 2²¹ = 22459744661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22461841873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11230920906 + 11230920907.

It is an arithmetic number, because the mean of its divisors is an integer number (11230920907).

Almost surely, 2^22461841813 is an apocalyptic number.

It is an amenable number.

22461841813 is a deficient number, since it is larger than the sum of its proper divisors (1).

22461841813 is an equidigital number, since it uses as much as digits as its factorization.

22461841813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 40.

The spelling of 22461841813 in words is "twenty-two billion, four hundred sixty-one million, eight hundred forty-one thousand, eight hundred thirteen".