13623573473 has 4 divisors (see below), whose sum is σ = 13623948480. Its totient is φ = 13623198468.

The previous prime is 13623573449. The next prime is 13623573479. The reversal of 13623573473 is 37437532631.

13623573473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13623573473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13623573479) 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, 126365 + ... + 207882.

It is an arithmetic number, because the mean of its divisors is an integer number (3405987120).

Almost surely, 2^13623573473 is an apocalyptic number.

It is an amenable number.

13623573473 is a deficient number, since it is larger than the sum of its proper divisors (375007).

13623573473 is an equidigital number, since it uses as much as digits as its factorization.

13623573473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375006.

The product of its digits is 952560, while the sum is 44.

The spelling of 13623573473 in words is "thirteen billion, six hundred twenty-three million, five hundred seventy-three thousand, four hundred seventy-three".