17842493122 has 8 divisors (see below), whose sum is σ = 27130366476. Its totient is φ = 8799037632.

The previous prime is 17842493117. The next prime is 17842493129. The reversal of 17842493122 is 22139424871.

It can be written as a sum of positive squares in 2 ways, for example, as 17678627521 + 163865601 = 132961^2 + 12801^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (17842493129) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 61104283 + ... + 61104574.

Almost surely, 2^17842493122 is an apocalyptic number.

17842493122 is a deficient number, since it is larger than the sum of its proper divisors (9287873354).

17842493122 is a wasteful number, since it uses less digits than its factorization.

17842493122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122208932.

The product of its digits is 193536, while the sum is 43.

The spelling of 17842493122 in words is "seventeen billion, eight hundred forty-two million, four hundred ninety-three thousand, one hundred twenty-two".