18485270934 has 16 divisors (see below), whose sum is σ = 39814429872. Its totient is φ = 5687775648.

The previous prime is 18485270927. The next prime is 18485270971. The reversal of 18485270934 is 43907258481.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 118495249 + ... + 118495404.

It is an arithmetic number, because the mean of its divisors is an integer number (2488401867).

Almost surely, 2^18485270934 is an apocalyptic number.

18485270934 is an abundant number, since it is smaller than the sum of its proper divisors (21329158938).

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

18485270934 is a wasteful number, since it uses less digits than its factorization.

18485270934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236990671.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 18485270934 in words is "eighteen billion, four hundred eighty-five million, two hundred seventy thousand, nine hundred thirty-four".