17139284458 has 4 divisors (see below), whose sum is σ = 25708926690. Its totient is φ = 8569642228.

The previous prime is 17139284441. The next prime is 17139284471. The reversal of 17139284458 is 85448293171.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16283546449 + 855738009 = 127607^2 + 29253^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4284821113 + ... + 4284821116.

Almost surely, 2^17139284458 is an apocalyptic number.

17139284458 is a deficient number, since it is larger than the sum of its proper divisors (8569642232).

17139284458 is an equidigital number, since it uses as much as digits as its factorization.

17139284458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8569642231.

The product of its digits is 1935360, while the sum is 52.

The spelling of 17139284458 in words is "seventeen billion, one hundred thirty-nine million, two hundred eighty-four thousand, four hundred fifty-eight".