2722724489 has 2 divisors, whose sum is σ = 2722724490. Its totient is φ = 2722724488.

The previous prime is 2722724467. The next prime is 2722724509. The reversal of 2722724489 is 9844272272.

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., 2031034489 + 691690000 = 45067^2 + 26300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2722724489 is a prime.

It is a super-2 number, since 2×2722724489² = 14826457286000622242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2722724449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361362244 + 1361362245.

It is an arithmetic number, because the mean of its divisors is an integer number (1361362245).

Almost surely, 2^2722724489 is an apocalyptic number.

It is an amenable number.

2722724489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2722724489 is an equidigital number, since it uses as much as digits as its factorization.

2722724489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 47.

The square root of 2722724489 is about 52179.7325501003. The cubic root of 2722724489 is about 1396.3723239113.

The spelling of 2722724489 in words is "two billion, seven hundred twenty-two million, seven hundred twenty-four thousand, four hundred eighty-nine".