2662136562209 has 2 divisors, whose sum is σ = 2662136562210. Its totient is φ = 2662136562208.

The previous prime is 2662136562203. The next prime is 2662136562221. The reversal of 2662136562209 is 9022656312662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1612003504609 + 1050133057600 = 1269647^2 + 1024760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2662136562209 - 2²⁴ = 2662119784993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2662136562203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331068281104 + 1331068281105.

It is an arithmetic number, because the mean of its divisors is an integer number (1331068281105).

Almost surely, 2^{2662136562209} is an apocalyptic number.

It is an amenable number.

2662136562209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2662136562209 is an equidigital number, since it uses as much as digits as its factorization.

2662136562209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 2662136562209 in words is "two trillion, six hundred sixty-two billion, one hundred thirty-six million, five hundred sixty-two thousand, two hundred nine".