3278247073 has 2 divisors, whose sum is σ = 3278247074. Its totient is φ = 3278247072.

The previous prime is 3278247053. The next prime is 3278247113. The reversal of 3278247073 is 3707428723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2475261504 + 802985569 = 49752^2 + 28337^2 .

It is an emirp because it is prime and its reverse (3707428723) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3278247073 is a prime.

It is not a weakly prime, because it can be changed into another prime (3278247013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1639123536 + 1639123537.

It is an arithmetic number, because the mean of its divisors is an integer number (1639123537).

Almost surely, 2^3278247073 is an apocalyptic number.

It is an amenable number.

3278247073 is a deficient number, since it is larger than the sum of its proper divisors (1).

3278247073 is an equidigital number, since it uses as much as digits as its factorization.

3278247073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 43.

The square root of 3278247073 is about 57255.9784913331. The cubic root of 3278247073 is about 1485.5270377390.

The spelling of 3278247073 in words is "three billion, two hundred seventy-eight million, two hundred forty-seven thousand, seventy-three".