22791677653 has 4 divisors (see below), whose sum is σ = 23026643500. Its totient is φ = 22556711808.

The previous prime is 22791677603. The next prime is 22791677663. The reversal of 22791677653 is 35677619722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10509940324 + 12281737329 = 102518^2 + 110823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22791677653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22791677594 and 22791677603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22791677603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117482778 + ... + 117482971.

It is an arithmetic number, because the mean of its divisors is an integer number (5756660875).

Almost surely, 2^22791677653 is an apocalyptic number.

It is an amenable number.

22791677653 is a deficient number, since it is larger than the sum of its proper divisors (234965847).

22791677653 is an equidigital number, since it uses as much as digits as its factorization.

22791677653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234965846.

The product of its digits is 6667920, while the sum is 55.

The spelling of 22791677653 in words is "twenty-two billion, seven hundred ninety-one million, six hundred seventy-seven thousand, six hundred fifty-three".