2722647329 has 2 divisors, whose sum is σ = 2722647330. Its totient is φ = 2722647328.

The previous prime is 2722647311. The next prime is 2722647337. The reversal of 2722647329 is 9237462272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2708994304 + 13653025 = 52048^2 + 3695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2722647329 is a prime.

It is a super-2 number, since 2×2722647329² = 14825616956221668482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2722647329.

It is not a weakly prime, because it can be changed into another prime (2722647029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361323664 + 1361323665.

It is an arithmetic number, because the mean of its divisors is an integer number (1361323665).

Almost surely, 2^2722647329 is an apocalyptic number.

It is an amenable number.

2722647329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2722647329 is an equidigital number, since it uses as much as digits as its factorization.

2722647329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 44.

The square root of 2722647329 is about 52178.9931773314. The cubic root of 2722647329 is about 1396.3591330668.

The spelling of 2722647329 in words is "two billion, seven hundred twenty-two million, six hundred forty-seven thousand, three hundred twenty-nine".