2726832289 has 2 divisors, whose sum is σ = 2726832290. Its totient is φ = 2726832288.

The previous prime is 2726832259. The next prime is 2726832293. The reversal of 2726832289 is 9822386272.

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., 2662560000 + 64272289 = 51600^2 + 8017^2 .

It is a cyclic number.

It is not a de Polignac number, because 2726832289 - 2²⁷ = 2592614561 is a prime.

It is a super-2 number, since 2×2726832289² = 14871228664665959042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2726832209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1363416144 + 1363416145.

It is an arithmetic number, because the mean of its divisors is an integer number (1363416145).

Almost surely, 2^2726832289 is an apocalyptic number.

It is an amenable number.

2726832289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2726832289 is an equidigital number, since it uses as much as digits as its factorization.

2726832289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 49.

The square root of 2726832289 is about 52219.0797410295. The cubic root of 2726832289 is about 1397.0742110601.

The spelling of 2726832289 in words is "two billion, seven hundred twenty-six million, eight hundred thirty-two thousand, two hundred eighty-nine".