22681384543 has 2 divisors, whose sum is σ = 22681384544. Its totient is φ = 22681384542.

The previous prime is 22681384529. The next prime is 22681384549. The reversal of 22681384543 is 34548318622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22681384543 - 2¹⁷ = 22681253471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22681384493 and 22681384502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22681384549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11340692271 + 11340692272.

It is an arithmetic number, because the mean of its divisors is an integer number (11340692272).

Almost surely, 2^22681384543 is an apocalyptic number.

22681384543 is a deficient number, since it is larger than the sum of its proper divisors (1).

22681384543 is an equidigital number, since it uses as much as digits as its factorization.

22681384543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1105920, while the sum is 46.

The spelling of 22681384543 in words is "twenty-two billion, six hundred eighty-one million, three hundred eighty-four thousand, five hundred forty-three".