22671512791 has 2 divisors, whose sum is σ = 22671512792. Its totient is φ = 22671512790.

The previous prime is 22671512789. The next prime is 22671512797. The reversal of 22671512791 is 19721517622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22671512791 - 2¹ = 22671512789 is a prime.

Together with 22671512789, 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 (22671512797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11335756395 + 11335756396.

It is an arithmetic number, because the mean of its divisors is an integer number (11335756396).

Almost surely, 2^22671512791 is an apocalyptic number.

22671512791 is a deficient number, since it is larger than the sum of its proper divisors (1).

22671512791 is an equidigital number, since it uses as much as digits as its factorization.

22671512791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 43.

The spelling of 22671512791 in words is "twenty-two billion, six hundred seventy-one million, five hundred twelve thousand, seven hundred ninety-one".