18546349242 has 32 divisors (see below), whose sum is σ = 37407301632. Its totient is φ = 6129741744.

The previous prime is 18546349193. The next prime is 18546349337. The reversal of 18546349242 is 24294364581.

It is a junction number, because it is equal to n+sod(n) for n = 18546349191 and 18546349200.

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 15 ways as a sum of consecutive naturals, for example, 1446753 + ... + 1459515.

It is an arithmetic number, because the mean of its divisors is an integer number (1168978176).

Almost surely, 2^18546349242 is an apocalyptic number.

18546349242 is an abundant number, since it is smaller than the sum of its proper divisors (18860952390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18546349242 is a wasteful number, since it uses less digits than its factorization.

18546349242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14802.

The product of its digits is 1658880, while the sum is 48.

The spelling of 18546349242 in words is "eighteen billion, five hundred forty-six million, three hundred forty-nine thousand, two hundred forty-two".