2207336612861 has 2 divisors, whose sum is σ = 2207336612862. Its totient is φ = 2207336612860.

The previous prime is 2207336612837. The next prime is 2207336612879. The reversal of 2207336612861 is 1682166337022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1686702210361 + 520634402500 = 1298731^2 + 721550^2 .

It is a cyclic number.

It is not a de Polignac number, because 2207336612861 - 2¹⁴ = 2207336596477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2207336612821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103668306430 + 1103668306431.

It is an arithmetic number, because the mean of its divisors is an integer number (1103668306431).

Almost surely, 2^{2207336612861} is an apocalyptic number.

It is an amenable number.

2207336612861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2207336612861 is an equidigital number, since it uses as much as digits as its factorization.

2207336612861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 2207336612861 in words is "two trillion, two hundred seven billion, three hundred thirty-six million, six hundred twelve thousand, eight hundred sixty-one".