2662248936209 has 2 divisors, whose sum is σ = 2662248936210. Its totient is φ = 2662248936208.

The previous prime is 2662248936169. The next prime is 2662248936211. The reversal of 2662248936209 is 9026398422662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2278146478609 + 384102457600 = 1509353^2 + 619760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2662248936209 - 2³² = 2657953968913 is a prime.

Together with 2662248936211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2662248936709) 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, 1331124468104 + 1331124468105.

It is an arithmetic number, because the mean of its divisors is an integer number (1331124468105).

Almost surely, 2^{2662248936209} is an apocalyptic number.

It is an amenable number.

2662248936209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2662248936209 is an equidigital number, since it uses as much as digits as its factorization.

2662248936209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26873856, while the sum is 59.

The spelling of 2662248936209 in words is "two trillion, six hundred sixty-two billion, two hundred forty-eight million, nine hundred thirty-six thousand, two hundred nine".