3272640817 has 2 divisors, whose sum is σ = 3272640818. Its totient is φ = 3272640816.

The previous prime is 3272640809. The next prime is 3272640857. The reversal of 3272640817 is 7180462723.

It is an a-pointer prime, because the next prime (3272640857) can be obtained adding 3272640817 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2982142881 + 290497936 = 54609^2 + 17044^2 .

It is a cyclic number.

It is not a de Polignac number, because 3272640817 - 2³ = 3272640809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3272640817.

It is not a weakly prime, because it can be changed into another prime (3272640857) 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, 1636320408 + 1636320409.

It is an arithmetic number, because the mean of its divisors is an integer number (1636320409).

Almost surely, 2^3272640817 is an apocalyptic number.

It is an amenable number.

3272640817 is a deficient number, since it is larger than the sum of its proper divisors (1).

3272640817 is an equidigital number, since it uses as much as digits as its factorization.

3272640817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 3272640817 is about 57206.9997203139. Note that the first 3 decimals coincide. The cubic root of 3272640817 is about 1484.6797356410.

The spelling of 3272640817 in words is "three billion, two hundred seventy-two million, six hundred forty thousand, eight hundred seventeen".