18001031470 has 16 divisors (see below), whose sum is σ = 32413770288. Its totient is φ = 7197765120.

The previous prime is 18001031381. The next prime is 18001031483. The reversal of 18001031470 is 7413010081.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 302259 + ... + 356878.

It is an arithmetic number, because the mean of its divisors is an integer number (2025860643).

Almost surely, 2^18001031470 is an apocalyptic number.

18001031470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18001031470 is a deficient number, since it is larger than the sum of its proper divisors (14412738818).

18001031470 is a wasteful number, since it uses less digits than its factorization.

18001031470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661875.

The product of its (nonzero) digits is 672, while the sum is 25.

The spelling of 18001031470 in words is "eighteen billion, one million, thirty-one thousand, four hundred seventy".