185094603149 has 2 divisors, whose sum is σ = 185094603150. Its totient is φ = 185094603148.

The previous prime is 185094603137. The next prime is 185094603163. The reversal of 185094603149 is 941306490581.

185094603149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160946997124 + 24147606025 = 401182^2 + 155395^2 .

It is an emirp because it is prime and its reverse (941306490581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 185094603149 - 2²⁸ = 184826167693 is a prime.

It is a super-2 number, since 2×185094603149² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 185094603097 and 185094603106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (185094603349) by changing a digit.

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 as a sum of consecutive naturals, namely, 92547301574 + 92547301575.

It is an arithmetic number, because the mean of its divisors is an integer number (92547301575).

Almost surely, 2^185094603149 is an apocalyptic number.

It is an amenable number.

185094603149 is a deficient number, since it is larger than the sum of its proper divisors (1).

185094603149 is an equidigital number, since it uses as much as digits as its factorization.

185094603149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 185094603149 in words is "one hundred eighty-five billion, ninety-four million, six hundred three thousand, one hundred forty-nine".