22104641893 has 2 divisors, whose sum is σ = 22104641894. Its totient is φ = 22104641892.

The previous prime is 22104641831. The next prime is 22104641903. The reversal of 22104641893 is 39814640122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14122470244 + 7982171649 = 118838^2 + 89343^2 .

It is a cyclic number.

It is not a de Polignac number, because 22104641893 - 2¹⁷ = 22104510821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22104641803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11052320946 + 11052320947.

It is an arithmetic number, because the mean of its divisors is an integer number (11052320947).

Almost surely, 2^22104641893 is an apocalyptic number.

It is an amenable number.

22104641893 is a deficient number, since it is larger than the sum of its proper divisors (1).

22104641893 is an equidigital number, since it uses as much as digits as its factorization.

22104641893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 22104641893 in words is "twenty-two billion, one hundred four million, six hundred forty-one thousand, eight hundred ninety-three".