22651179689 has 2 divisors, whose sum is σ = 22651179690. Its totient is φ = 22651179688.

The previous prime is 22651179673. The next prime is 22651179779. The reversal of 22651179689 is 98697115622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17547506089 + 5103673600 = 132467^2 + 71440^2 .

It is a cyclic number.

It is not a de Polignac number, because 22651179689 - 2⁴ = 22651179673 is a prime.

It is a super-2 number, since 2×22651179689² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22651178689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11325589844 + 11325589845.

It is an arithmetic number, because the mean of its divisors is an integer number (11325589845).

Almost surely, 2^22651179689 is an apocalyptic number.

It is an amenable number.

22651179689 is a deficient number, since it is larger than the sum of its proper divisors (1).

22651179689 is an equidigital number, since it uses as much as digits as its factorization.

22651179689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 56.

The spelling of 22651179689 in words is "twenty-two billion, six hundred fifty-one million, one hundred seventy-nine thousand, six hundred eighty-nine".