18342252625 has 16 divisors (see below), whose sum is σ = 22992008832. Its totient is φ = 14609137200.

The previous prime is 18342252613. The next prime is 18342252647. The reversal of 18342252625 is 52625224381.

It is a happy number.

It is not a de Polignac number, because 18342252625 - 2⁹ = 18342252113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294837 + ... + 351586.

It is an arithmetic number, because the mean of its divisors is an integer number (1437000552).

Almost surely, 2^18342252625 is an apocalyptic number.

It is an amenable number.

18342252625 is a deficient number, since it is larger than the sum of its proper divisors (4649756207).

18342252625 is an equidigital number, since it uses as much as digits as its factorization.

18342252625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646665 (or 646655 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The spelling of 18342252625 in words is "eighteen billion, three hundred forty-two million, two hundred fifty-two thousand, six hundred twenty-five".