85183308149 has 2 divisors, whose sum is σ = 85183308150. Its totient is φ = 85183308148.

The previous prime is 85183308121. The next prime is 85183308169. The reversal of 85183308149 is 94180338158.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62905656100 + 22277652049 = 250810^2 + 149257^2 .

It is a cyclic number.

It is not a de Polignac number, because 85183308149 - 2⁸ = 85183307893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85183308097 and 85183308106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85183308169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42591654074 + 42591654075.

It is an arithmetic number, because the mean of its divisors is an integer number (42591654075).

Almost surely, 2^85183308149 is an apocalyptic number.

It is an amenable number.

85183308149 is a deficient number, since it is larger than the sum of its proper divisors (1).

85183308149 is an equidigital number, since it uses as much as digits as its factorization.

85183308149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 85183308149 in words is "eighty-five billion, one hundred eighty-three million, three hundred eight thousand, one hundred forty-nine".