22791063667 has 2 divisors, whose sum is σ = 22791063668. Its totient is φ = 22791063666.

The previous prime is 22791063637. The next prime is 22791063739. The reversal of 22791063667 is 76636019722.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22791063667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22791063667.

It is not a weakly prime, because it can be changed into another prime (22791063637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11395531833 + 11395531834.

It is an arithmetic number, because the mean of its divisors is an integer number (11395531834).

Almost surely, 2^22791063667 is an apocalyptic number.

22791063667 is a deficient number, since it is larger than the sum of its proper divisors (1).

22791063667 is an equidigital number, since it uses as much as digits as its factorization.

22791063667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 22791063667 in words is "twenty-two billion, seven hundred ninety-one million, sixty-three thousand, six hundred sixty-seven".