17680193005 has 8 divisors (see below), whose sum is σ = 21403986552. Its totient is φ = 14018984448.

The previous prime is 17680192939. The next prime is 17680193029. The reversal of 17680193005 is 50039108671.

It can be written as a sum of positive squares in 4 ways, for example, as 1533662244 + 16146530761 = 39162^2 + 127069^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17680193005 is a prime.

It is a Duffinian 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, 15645624 + ... + 15646753.

It is an arithmetic number, because the mean of its divisors is an integer number (2675498319).

Almost surely, 2^17680193005 is an apocalyptic number.

It is an amenable number.

17680193005 is a deficient number, since it is larger than the sum of its proper divisors (3723793547).

17680193005 is a wasteful number, since it uses less digits than its factorization.

17680193005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31292495.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 17680193005 in words is "seventeen billion, six hundred eighty million, one hundred ninety-three thousand, five".