18274497290 has 16 divisors (see below), whose sum is σ = 37593251712. Its totient is φ = 6265541904.

The previous prime is 18274497289. The next prime is 18274497301. The reversal of 18274497290 is 9279447281.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130532054 + ... + 130532193.

It is an arithmetic number, because the mean of its divisors is an integer number (2349578232).

Almost surely, 2^18274497290 is an apocalyptic number.

18274497290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18274497290 is an abundant number, since it is smaller than the sum of its proper divisors (19318754422).

18274497290 is a wasteful number, since it uses less digits than its factorization.

18274497290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261064261.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 18274497290 in words is "eighteen billion, two hundred seventy-four million, four hundred ninety-seven thousand, two hundred ninety".