12604633643 has 8 divisors (see below), whose sum is σ = 14420977920. Its totient is φ = 10792209960.

The previous prime is 12604633637. The next prime is 12604633709. The reversal of 12604633643 is 34633640621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12604633643 - 2¹⁶ = 12604568107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12604633597 and 12604633606.

It is not an unprimeable number, because it can be changed into a prime (12604633843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973253 + ... + 986118.

It is an arithmetic number, because the mean of its divisors is an integer number (1802622240).

Almost surely, 2^12604633643 is an apocalyptic number.

12604633643 is a deficient number, since it is larger than the sum of its proper divisors (1816344277).

12604633643 is an equidigital number, since it uses as much as digits as its factorization.

12604633643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960297.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 12604633643 in words is "twelve billion, six hundred four million, six hundred thirty-three thousand, six hundred forty-three".