22853496517 has 4 divisors (see below), whose sum is σ = 22853805100. Its totient is φ = 22853187936.

The previous prime is 22853496511. The next prime is 22853496557. The reversal of 22853496517 is 71569435822.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5873842881 + 16979653636 = 76641^2 + 130306^2 .

It is a 3-Lehmer number, since φ(22853496517) divides (22853496517-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22853496517 is a prime.

It is a super-2 number, since 2×22853496517² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22853496511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30859 + ... + 216007.

It is an arithmetic number, because the mean of its divisors is an integer number (5713451275).

It is a Poulet number, since it divides 2^22853496516-1.

Almost surely, 2^22853496517 is an apocalyptic number.

22853496517 is the 123433-rd pentagonal number.

It is an amenable number.

22853496517 is a deficient number, since it is larger than the sum of its proper divisors (308583).

22853496517 is a wasteful number, since it uses less digits than its factorization.

22853496517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308582.

The product of its digits is 3628800, while the sum is 52.

The spelling of 22853496517 in words is "twenty-two billion, eight hundred fifty-three million, four hundred ninety-six thousand, five hundred seventeen".