2722660249 has 2 divisors, whose sum is σ = 2722660250. Its totient is φ = 2722660248.

The previous prime is 2722660243. The next prime is 2722660277. The reversal of 2722660249 is 9420662272.

2722660249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2611210000 + 111450249 = 51100^2 + 10557^2 .

It is a cyclic number.

It is not a de Polignac number, because 2722660249 - 2²⁵ = 2689105817 is a prime.

It is not a weakly prime, because it can be changed into another prime (2722660243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361330124 + 1361330125.

It is an arithmetic number, because the mean of its divisors is an integer number (1361330125).

Almost surely, 2^2722660249 is an apocalyptic number.

It is an amenable number.

2722660249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2722660249 is an equidigital number, since it uses as much as digits as its factorization.

2722660249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 2722660249 is about 52179.1169817965. The cubic root of 2722660249 is about 1396.3613418155.

The spelling of 2722660249 in words is "two billion, seven hundred twenty-two million, six hundred sixty thousand, two hundred forty-nine".