3361800991 has 2 divisors, whose sum is σ = 3361800992. Its totient is φ = 3361800990.

The previous prime is 3361800989. The next prime is 3361801013. The reversal of 3361800991 is 1990081633.

It is a weak prime.

It is an emirp because it is prime and its reverse (1990081633) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3361800991 - 2¹ = 3361800989 is a prime.

It is a super-2 number, since 2×3361800991² = 22603411806177164162, which contains 22 as substring.

Together with 3361800989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3361800691) 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, 1680900495 + 1680900496.

It is an arithmetic number, because the mean of its divisors is an integer number (1680900496).

Almost surely, 2^3361800991 is an apocalyptic number.

3361800991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3361800991 is an equidigital number, since it uses as much as digits as its factorization.

3361800991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 3361800991 is about 57981.0399268588. The cubic root of 3361800991 is about 1498.0420366242.

The spelling of 3361800991 in words is "three billion, three hundred sixty-one million, eight hundred thousand, nine hundred ninety-one".