13623656444 has 12 divisors (see below), whose sum is σ = 24064216344. Its totient is φ = 6748166064.

The previous prime is 13623656443. The next prime is 13623656471. The reversal of 13623656444 is 44465632631.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13623656395 and 13623656404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13623656441) 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, 15915059 + ... + 15915914.

It is an arithmetic number, because the mean of its divisors is an integer number (2005351362).

Almost surely, 2^13623656444 is an apocalyptic number.

It is an amenable number.

13623656444 is a deficient number, since it is larger than the sum of its proper divisors (10440559900).

13623656444 is a wasteful number, since it uses less digits than its factorization.

13623656444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31831084 (or 31831082 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 44.

The spelling of 13623656444 in words is "thirteen billion, six hundred twenty-three million, six hundred fifty-six thousand, four hundred forty-four".