180285491941 has 2 divisors, whose sum is σ = 180285491942. Its totient is φ = 180285491940.

The previous prime is 180285491933. The next prime is 180285491989. The reversal of 180285491941 is 149194582081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164068742916 + 16216749025 = 405054^2 + 127345^2 .

It is a cyclic number.

It is not a de Polignac number, because 180285491941 - 2³ = 180285491933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180285491041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90142745970 + 90142745971.

It is an arithmetic number, because the mean of its divisors is an integer number (90142745971).

Almost surely, 2^180285491941 is an apocalyptic number.

It is an amenable number.

180285491941 is a deficient number, since it is larger than the sum of its proper divisors (1).

180285491941 is an equidigital number, since it uses as much as digits as its factorization.

180285491941 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 52.

The spelling of 180285491941 in words is "one hundred eighty billion, two hundred eighty-five million, four hundred ninety-one thousand, nine hundred forty-one".