3281781967 has 2 divisors, whose sum is σ = 3281781968. Its totient is φ = 3281781966.

The previous prime is 3281781929. The next prime is 3281781989. The reversal of 3281781967 is 7691871823.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3281781967 - 2¹⁵ = 3281749199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3281781917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640890983 + 1640890984.

It is an arithmetic number, because the mean of its divisors is an integer number (1640890984).

Almost surely, 2^3281781967 is an apocalyptic number.

3281781967 is a deficient number, since it is larger than the sum of its proper divisors (1).

3281781967 is an equidigital number, since it uses as much as digits as its factorization.

3281781967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 52.

The square root of 3281781967 is about 57286.8393874195. The cubic root of 3281781967 is about 1486.0607878598.

The spelling of 3281781967 in words is "three billion, two hundred eighty-one million, seven hundred eighty-one thousand, nine hundred sixty-seven".