17960198149 has 2 divisors, whose sum is σ = 17960198150. Its totient is φ = 17960198148.

The previous prime is 17960198093. The next prime is 17960198167. The reversal of 17960198149 is 94189106971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10043647524 + 7916550625 = 100218^2 + 88975^2 .

It is a cyclic number.

It is not a de Polignac number, because 17960198149 - 2⁷ = 17960198021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17960198149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17960198189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8980099074 + 8980099075.

It is an arithmetic number, because the mean of its divisors is an integer number (8980099075).

Almost surely, 2^17960198149 is an apocalyptic number.

It is an amenable number.

17960198149 is a deficient number, since it is larger than the sum of its proper divisors (1).

17960198149 is an equidigital number, since it uses as much as digits as its factorization.

17960198149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 55.

The spelling of 17960198149 in words is "seventeen billion, nine hundred sixty million, one hundred ninety-eight thousand, one hundred forty-nine".