17982735812 has 24 divisors (see below), whose sum is σ = 32493280512. Its totient is φ = 8699090400.

The previous prime is 17982735787. The next prime is 17982735829. The reversal of 17982735812 is 21853728971.

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, 531803 + ... + 564605.

It is an arithmetic number, because the mean of its divisors is an integer number (1353886688).

Almost surely, 2^17982735812 is an apocalyptic number.

It is an amenable number.

17982735812 is a deficient number, since it is larger than the sum of its proper divisors (14510544700).

17982735812 is a wasteful number, since it uses less digits than its factorization.

17982735812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37259 (or 37257 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 53.

The spelling of 17982735812 in words is "seventeen billion, nine hundred eighty-two million, seven hundred thirty-five thousand, eight hundred twelve".