2722747394849 has 2 divisors, whose sum is σ = 2722747394850. Its totient is φ = 2722747394848.

The previous prime is 2722747394833. The next prime is 2722747394867. The reversal of 2722747394849 is 9484937472272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2680237202449 + 42510192400 = 1637143^2 + 206180^2 .

It is a cyclic number.

It is not a de Polignac number, because 2722747394849 - 2⁴ = 2722747394833 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2722747394749) 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, 1361373697424 + 1361373697425.

It is an arithmetic number, because the mean of its divisors is an integer number (1361373697425).

Almost surely, 2^{2722747394849} is an apocalyptic number.

It is an amenable number.

2722747394849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2722747394849 is an equidigital number, since it uses as much as digits as its factorization.

2722747394849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 341397504, while the sum is 68.

The spelling of 2722747394849 in words is "two trillion, seven hundred twenty-two billion, seven hundred forty-seven million, three hundred ninety-four thousand, eight hundred forty-nine".