23826069729845 has 6 divisors (see below), whose sum is σ = 28591296773442. Its totient is φ = 19060847052128.

The previous prime is 23826069729811. The next prime is 23826069729859. The reversal of 23826069729845 is 54892796062832.

It can be written as a sum of positive squares in 3 ways, for example, as 11444404829764 + 12381664900081 = 3382958^2 + 3518759^2 .

It is not a de Polignac number, because 23826069729845 - 2⁸ = 23826069729589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9823217 + ... + 12006153.

It is an arithmetic number, because the mean of its divisors is an integer number (4765216128907).

Almost surely, 2^{23826069729845} is an apocalyptic number.

It is an amenable number.

23826069729845 is a deficient number, since it is larger than the sum of its proper divisors (4765227043597).

23826069729845 is an frugal number, since it uses more digits than its factorization.

23826069729845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4365879 (or 2182942 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 71.

The spelling of 23826069729845 in words is "twenty-three trillion, eight hundred twenty-six billion, sixty-nine million, seven hundred twenty-nine thousand, eight hundred forty-five".