22553502691 has 2 divisors, whose sum is σ = 22553502692. Its totient is φ = 22553502690.

The previous prime is 22553502667. The next prime is 22553502779. The reversal of 22553502691 is 19620535522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22553502691 - 2¹⁵ = 22553469923 is a prime.

It is not a weakly prime, because it can be changed into another prime (22553505691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11276751345 + 11276751346.

It is an arithmetic number, because the mean of its divisors is an integer number (11276751346).

Almost surely, 2^22553502691 is an apocalyptic number.

22553502691 is a deficient number, since it is larger than the sum of its proper divisors (1).

22553502691 is an equidigital number, since it uses as much as digits as its factorization.

22553502691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 22553502691 in words is "twenty-two billion, five hundred fifty-three million, five hundred two thousand, six hundred ninety-one".