23649794615 has 4 divisors (see below), whose sum is σ = 28379753544. Its totient is φ = 18919835688.

The previous prime is 23649794599. The next prime is 23649794621. The reversal of 23649794615 is 51649794632.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23649794615 - 2⁴ = 23649794599 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 2364979457 + ... + 2364979466.

It is an arithmetic number, because the mean of its divisors is an integer number (7094938386).

Almost surely, 2^23649794615 is an apocalyptic number.

23649794615 is a deficient number, since it is larger than the sum of its proper divisors (4729958929).

23649794615 is an equidigital number, since it uses as much as digits as its factorization.

23649794615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729958928.

The product of its digits is 9797760, while the sum is 56.

It can be divided in two parts, 2364 and 9794615, that added together give a palindrome (9796979).

The spelling of 23649794615 in words is "twenty-three billion, six hundred forty-nine million, seven hundred ninety-four thousand, six hundred fifteen".