2241631795261 has 2 divisors, whose sum is σ = 2241631795262. Its totient is φ = 2241631795260.

The previous prime is 2241631795259. The next prime is 2241631795339. The reversal of 2241631795261 is 1625971361422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1239592756900 + 1002039038361 = 1113370^2 + 1001019^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241631795261 - 2¹ = 2241631795259 is a prime.

Together with 2241631795259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2241631795211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120815897630 + 1120815897631.

It is an arithmetic number, because the mean of its divisors is an integer number (1120815897631).

Almost surely, 2^{2241631795261} is an apocalyptic number.

It is an amenable number.

2241631795261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2241631795261 is an equidigital number, since it uses as much as digits as its factorization.

2241631795261 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 2241631795261 in words is "two trillion, two hundred forty-one billion, six hundred thirty-one million, seven hundred ninety-five thousand, two hundred sixty-one".