3601324496261 has 2 divisors, whose sum is σ = 3601324496262. Its totient is φ = 3601324496260.

The previous prime is 3601324496257. The next prime is 3601324496299. The reversal of 3601324496261 is 1626944231063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2901976983361 + 699347512900 = 1703519^2 + 836270^2 .

It is a cyclic number.

It is not a de Polignac number, because 3601324496261 - 2² = 3601324496257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3601324492261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1800662248130 + 1800662248131.

It is an arithmetic number, because the mean of its divisors is an integer number (1800662248131).

Almost surely, 2^{3601324496261} is an apocalyptic number.

It is an amenable number.

3601324496261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3601324496261 is an equidigital number, since it uses as much as digits as its factorization.

3601324496261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 3601324496261 in words is "three trillion, six hundred one billion, three hundred twenty-four million, four hundred ninety-six thousand, two hundred sixty-one".