18624190243 has 8 divisors (see below), whose sum is σ = 18810136800. Its totient is φ = 18438342528.

The previous prime is 18624190213. The next prime is 18624190303. The reversal of 18624190243 is 34209142681.

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

It is a cyclic number.

It is not a de Polignac number, because 18624190243 - 2²⁹ = 18087319331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18624190196 and 18624190205.

It is not an unprimeable number, because it can be changed into a prime (18624190213) 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, 388203 + ... + 433531.

It is an arithmetic number, because the mean of its divisors is an integer number (2351267100).

Almost surely, 2^18624190243 is an apocalyptic number.

18624190243 is a deficient number, since it is larger than the sum of its proper divisors (185946557).

18624190243 is a wasteful number, since it uses less digits than its factorization.

18624190243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49421.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 18624190243 in words is "eighteen billion, six hundred twenty-four million, one hundred ninety thousand, two hundred forty-three".