17381697980 has 12 divisors (see below), whose sum is σ = 36501565800. Its totient is φ = 6952679184.

The previous prime is 17381697979. The next prime is 17381697989. The reversal of 17381697980 is 8979618371.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17381697989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434542430 + ... + 434542469.

It is an arithmetic number, because the mean of its divisors is an integer number (3041797150).

Almost surely, 2^17381697980 is an apocalyptic number.

17381697980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17381697980 is an abundant number, since it is smaller than the sum of its proper divisors (19119867820).

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

17381697980 is a wasteful number, since it uses less digits than its factorization.

17381697980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869084908 (or 869084906 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 59.

The spelling of 17381697980 in words is "seventeen billion, three hundred eighty-one million, six hundred ninety-seven thousand, nine hundred eighty".