3272728369 has 2 divisors, whose sum is σ = 3272728370. Its totient is φ = 3272728368.

The previous prime is 3272728357. The next prime is 3272728399. The reversal of 3272728369 is 9638272723.

3272728369 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., 2860110400 + 412617969 = 53480^2 + 20313^2 .

It is a cyclic number.

It is not a de Polignac number, because 3272728369 - 2⁵ = 3272728337 is a prime.

It is a super-2 number, since 2×3272728369² = 21421501954514800322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3272728309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1636364184 + 1636364185.

It is an arithmetic number, because the mean of its divisors is an integer number (1636364185).

Almost surely, 2^3272728369 is an apocalyptic number.

It is an amenable number.

3272728369 is a deficient number, since it is larger than the sum of its proper divisors (1).

3272728369 is an equidigital number, since it uses as much as digits as its factorization.

3272728369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 49.

The square root of 3272728369 is about 57207.7649362392. The cubic root of 3272728369 is about 1484.6929752568.

The spelling of 3272728369 in words is "three billion, two hundred seventy-two million, seven hundred twenty-eight thousand, three hundred sixty-nine".