185249048295197 has 2 divisors, whose sum is σ = 185249048295198. Its totient is φ = 185249048295196.

The previous prime is 185249048295151. The next prime is 185249048295217. The reversal of 185249048295197 is 791592840942581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163832089695481 + 21416958599716 = 12799691^2 + 4627846^2 .

It is a cyclic number.

It is not a de Polignac number, because 185249048295197 - 2³⁴ = 185231868426013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (185249048295137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92624524147598 + 92624524147599.

It is an arithmetic number, because the mean of its divisors is an integer number (92624524147599).

Almost surely, 2^{185249048295197} is an apocalyptic number.

It is an amenable number.

185249048295197 is a deficient number, since it is larger than the sum of its proper divisors (1).

185249048295197 is an equidigital number, since it uses as much as digits as its factorization.

185249048295197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 522547200, while the sum is 74.

The spelling of 185249048295197 in words is "one hundred eighty-five trillion, two hundred forty-nine billion, forty-eight million, two hundred ninety-five thousand, one hundred ninety-seven".