23649204845 has 16 divisors (see below), whose sum is σ = 32536830720. Its totient is φ = 16164779904.

The previous prime is 23649204833. The next prime is 23649204851. The reversal of 23649204845 is 54840294632.

It is not a de Polignac number, because 23649204845 - 2³² = 19354237549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23649204845.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1068425 + ... + 1090334.

It is an arithmetic number, because the mean of its divisors is an integer number (2033551920).

Almost surely, 2^23649204845 is an apocalyptic number.

It is an amenable number.

23649204845 is a deficient number, since it is larger than the sum of its proper divisors (8887625875).

23649204845 is a wasteful number, since it uses less digits than its factorization.

23649204845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159084.

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 23649204845 in words is "twenty-three billion, six hundred forty-nine million, two hundred four thousand, eight hundred forty-five".