185840053562797 has 2 divisors, whose sum is σ = 185840053562798. Its totient is φ = 185840053562796.

The previous prime is 185840053562789. The next prime is 185840053562819. The reversal of 185840053562797 is 797265350048581.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184995334487401 + 844719075396 = 13601299^2 + 919086^2 .

It is an emirp because it is prime and its reverse (797265350048581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 185840053562797 - 2³ = 185840053562789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (185840053592797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92920026781398 + 92920026781399.

It is an arithmetic number, because the mean of its divisors is an integer number (92920026781399).

It is a 2-persistent number, because it is pandigital, and so is 2⋅185840053562797 = 371680107125594, but 3⋅185840053562797 = 557520160688391 is not.

Almost surely, 2^{185840053562797} is an apocalyptic number.

It is an amenable number.

185840053562797 is a deficient number, since it is larger than the sum of its proper divisors (1).

185840053562797 is an equidigital number, since it uses as much as digits as its factorization.

185840053562797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032000, while the sum is 70.

The spelling of 185840053562797 in words is "one hundred eighty-five trillion, eight hundred forty billion, fifty-three million, five hundred sixty-two thousand, seven hundred ninety-seven".