18730242346 has 32 divisors (see below), whose sum is σ = 29161566720. Its totient is φ = 9013204800.

The previous prime is 18730242317. The next prime is 18730242361. The reversal of 18730242346 is 64324203781.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18730242299 and 18730242308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11221600 + ... + 11223268.

It is an arithmetic number, because the mean of its divisors is an integer number (911298960).

Almost surely, 2^18730242346 is an apocalyptic number.

18730242346 is a deficient number, since it is larger than the sum of its proper divisors (10431324374).

18730242346 is a wasteful number, since it uses less digits than its factorization.

18730242346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 18730242346 in words is "eighteen billion, seven hundred thirty million, two hundred forty-two thousand, three hundred forty-six".