2722738604909 has 2 divisors, whose sum is σ = 2722738604910. Its totient is φ = 2722738604908.

The previous prime is 2722738604881. The next prime is 2722738604923. The reversal of 2722738604909 is 9094068372272.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1384964154025 + 1337774450884 = 1176845^2 + 1156622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2722738604909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2722738604939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361369302454 + 1361369302455.

It is an arithmetic number, because the mean of its divisors is an integer number (1361369302455).

Almost surely, 2^{2722738604909} is an apocalyptic number.

It is an amenable number.

2722738604909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2722738604909 is an equidigital number, since it uses as much as digits as its factorization.

2722738604909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 59.

The spelling of 2722738604909 in words is "two trillion, seven hundred twenty-two billion, seven hundred thirty-eight million, six hundred four thousand, nine hundred nine".