180345290497 has 2 divisors, whose sum is σ = 180345290498. Its totient is φ = 180345290496.

The previous prime is 180345290471. The next prime is 180345290519. The reversal of 180345290497 is 794092543081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131998515856 + 48346774641 = 363316^2 + 219879^2 .

It is a cyclic number.

It is not a de Polignac number, because 180345290497 - 2¹⁹ = 180344766209 is a prime.

It is not a weakly prime, because it can be changed into another prime (180345260497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90172645248 + 90172645249.

It is an arithmetic number, because the mean of its divisors is an integer number (90172645249).

Almost surely, 2^180345290497 is an apocalyptic number.

It is an amenable number.

180345290497 is a deficient number, since it is larger than the sum of its proper divisors (1).

180345290497 is an equidigital number, since it uses as much as digits as its factorization.

180345290497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 180345290497 in words is "one hundred eighty billion, three hundred forty-five million, two hundred ninety thousand, four hundred ninety-seven".