361691574241 has 2 divisors, whose sum is σ = 361691574242. Its totient is φ = 361691574240.

The previous prime is 361691574239. The next prime is 361691574259. The reversal of 361691574241 is 142475196163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181169409600 + 180522164641 = 425640^2 + 424879^2 .

It is a cyclic number.

It is not a de Polignac number, because 361691574241 - 2¹ = 361691574239 is a prime.

Together with 361691574239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (361691574341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180845787120 + 180845787121.

It is an arithmetic number, because the mean of its divisors is an integer number (180845787121).

Almost surely, 2^361691574241 is an apocalyptic number.

It is an amenable number.

361691574241 is a deficient number, since it is larger than the sum of its proper divisors (1).

361691574241 is an equidigital number, since it uses as much as digits as its factorization.

361691574241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The spelling of 361691574241 in words is "three hundred sixty-one billion, six hundred ninety-one million, five hundred seventy-four thousand, two hundred forty-one".