18399085270 has 16 divisors (see below), whose sum is σ = 33121453680. Its totient is φ = 7358945184.

The previous prime is 18399085259. The next prime is 18399085301. The reversal of 18399085270 is 7258099381.

It is a congruent 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, 34036 + ... + 194824.

It is an arithmetic number, because the mean of its divisors is an integer number (2070090855).

Almost surely, 2^18399085270 is an apocalyptic number.

18399085270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18399085270 is a deficient number, since it is larger than the sum of its proper divisors (14722368410).

18399085270 is a wasteful number, since it uses less digits than its factorization.

18399085270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172239.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 18399085270 in words is "eighteen billion, three hundred ninety-nine million, eighty-five thousand, two hundred seventy".