18754218890 has 32 divisors (see below), whose sum is σ = 36832593024. Its totient is φ = 6818581440.

The previous prime is 18754218877. The next prime is 18754218919. The reversal of 18754218890 is 9881245781.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 941312 + ... + 961028.

It is an arithmetic number, because the mean of its divisors is an integer number (1151018532).

Almost surely, 2^18754218890 is an apocalyptic number.

18754218890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18754218890 is a deficient number, since it is larger than the sum of its proper divisors (18078374134).

18754218890 is a wasteful number, since it uses less digits than its factorization.

18754218890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28382.

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 18754218890 in words is "eighteen billion, seven hundred fifty-four million, two hundred eighteen thousand, eight hundred ninety".