22398544943 has 2 divisors, whose sum is σ = 22398544944. Its totient is φ = 22398544942.

The previous prime is 22398544919. The next prime is 22398544999. The reversal of 22398544943 is 34944589322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22398544943 - 2¹² = 22398540847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22398544913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11199272471 + 11199272472.

It is an arithmetic number, because the mean of its divisors is an integer number (11199272472).

Almost surely, 2^22398544943 is an apocalyptic number.

22398544943 is a deficient number, since it is larger than the sum of its proper divisors (1).

22398544943 is an equidigital number, since it uses as much as digits as its factorization.

22398544943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 53.

The spelling of 22398544943 in words is "twenty-two billion, three hundred ninety-eight million, five hundred forty-four thousand, nine hundred forty-three".