2221209708713 has 2 divisors, whose sum is σ = 2221209708714. Its totient is φ = 2221209708712.

The previous prime is 2221209708701. The next prime is 2221209708763. The reversal of 2221209708713 is 3178079021222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1767921255424 + 453288453289 = 1329632^2 + 673267^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221209708713 - 2¹⁸ = 2221209446569 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221209708763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110604854356 + 1110604854357.

It is an arithmetic number, because the mean of its divisors is an integer number (1110604854357).

Almost surely, 2^{2221209708713} is an apocalyptic number.

It is an amenable number.

2221209708713 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221209708713 is an equidigital number, since it uses as much as digits as its factorization.

2221209708713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 2221209708713 in words is "two trillion, two hundred twenty-one billion, two hundred nine million, seven hundred eight thousand, seven hundred thirteen".