3291056399 has 2 divisors, whose sum is σ = 3291056400. Its totient is φ = 3291056398.

The previous prime is 3291056371. The next prime is 3291056467. The reversal of 3291056399 is 9936501923.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3291056399 - 2⁸ = 3291056143 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3291056369) 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, 1645528199 + 1645528200.

It is an arithmetic number, because the mean of its divisors is an integer number (1645528200).

Almost surely, 2^3291056399 is an apocalyptic number.

3291056399 is a deficient number, since it is larger than the sum of its proper divisors (1).

3291056399 is an equidigital number, since it uses as much as digits as its factorization.

3291056399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393660, while the sum is 47.

The square root of 3291056399 is about 57367.7295960020. The cubic root of 3291056399 is about 1487.4593580120.

The spelling of 3291056399 in words is "three billion, two hundred ninety-one million, fifty-six thousand, three hundred ninety-nine".