17916383149 has 16 divisors (see below), whose sum is σ = 20913955200. Its totient is φ = 15030609984.

The previous prime is 17916383099. The next prime is 17916383153. The reversal of 17916383149 is 94138361971.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17916383149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17916383096 and 17916383105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17916383159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142 + ... + 189295.

It is an arithmetic number, because the mean of its divisors is an integer number (1307122200).

Almost surely, 2^17916383149 is an apocalyptic number.

It is an amenable number.

17916383149 is a deficient number, since it is larger than the sum of its proper divisors (2997572051).

17916383149 is a wasteful number, since it uses less digits than its factorization.

17916383149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189732.

The product of its digits is 979776, while the sum is 52.

The spelling of 17916383149 in words is "seventeen billion, nine hundred sixteen million, three hundred eighty-three thousand, one hundred forty-nine".