3285112991 has 2 divisors, whose sum is σ = 3285112992. Its totient is φ = 3285112990.

The previous prime is 3285112981. The next prime is 3285112993. The reversal of 3285112991 is 1992115823.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3285112991 - 2⁶ = 3285112927 is a prime.

It is a Sophie Germain prime.

Together with 3285112993, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3285112993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1642556495 + 1642556496.

It is an arithmetic number, because the mean of its divisors is an integer number (1642556496).

Almost surely, 2^3285112991 is an apocalyptic number.

3285112991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3285112991 is an equidigital number, since it uses as much as digits as its factorization.

3285112991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 41.

The square root of 3285112991 is about 57315.9052183598. The cubic root of 3285112991 is about 1486.5634040554.

The spelling of 3285112991 in words is "three billion, two hundred eighty-five million, one hundred twelve thousand, nine hundred ninety-one".