186380337149 has 2 divisors, whose sum is σ = 186380337150. Its totient is φ = 186380337148.

The previous prime is 186380337103. The next prime is 186380337163. The reversal of 186380337149 is 941733083681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142800852100 + 43579485049 = 377890^2 + 208757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-186380337149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 186380337149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (186380337349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93190168574 + 93190168575.

It is an arithmetic number, because the mean of its divisors is an integer number (93190168575).

Almost surely, 2^186380337149 is an apocalyptic number.

It is an amenable number.

186380337149 is a deficient number, since it is larger than the sum of its proper divisors (1).

186380337149 is an equidigital number, since it uses as much as digits as its factorization.

186380337149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 186380337149 in words is "one hundred eighty-six billion, three hundred eighty million, three hundred thirty-seven thousand, one hundred forty-nine".