22961764543 has 2 divisors, whose sum is σ = 22961764544. Its totient is φ = 22961764542.

The previous prime is 22961764541. The next prime is 22961764583. The reversal of 22961764543 is 34546716922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22961764543 - 2¹ = 22961764541 is a prime.

Together with 22961764541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22961764541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11480882271 + 11480882272.

It is an arithmetic number, because the mean of its divisors is an integer number (11480882272).

Almost surely, 2^22961764543 is an apocalyptic number.

22961764543 is a deficient number, since it is larger than the sum of its proper divisors (1).

22961764543 is an equidigital number, since it uses as much as digits as its factorization.

22961764543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 49.

The spelling of 22961764543 in words is "twenty-two billion, nine hundred sixty-one million, seven hundred sixty-four thousand, five hundred forty-three".