22991133653 has 4 divisors (see below), whose sum is σ = 23128805280. Its totient is φ = 22853462028.

The previous prime is 22991133611. The next prime is 22991133703. The reversal of 22991133653 is 35633119922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35633119922 = 2 ⋅17816559961.

It is a cyclic number.

It is not a de Polignac number, because 22991133653 - 2¹⁶ = 22991068117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22991133853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68835563 + ... + 68835896.

It is an arithmetic number, because the mean of its divisors is an integer number (5782201320).

Almost surely, 2^22991133653 is an apocalyptic number.

It is an amenable number.

22991133653 is a deficient number, since it is larger than the sum of its proper divisors (137671627).

22991133653 is a wasteful number, since it uses less digits than its factorization.

22991133653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137671626.

The product of its digits is 262440, while the sum is 44.

The spelling of 22991133653 in words is "twenty-two billion, nine hundred ninety-one million, one hundred thirty-three thousand, six hundred fifty-three".