1083346991 has 2 divisors, whose sum is σ = 1083346992. Its totient is φ = 1083346990.

The previous prime is 1083346949. The next prime is 1083346993. The reversal of 1083346991 is 1996433801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1083346991 is a prime.

Together with 1083346993, 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 (1083346993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541673495 + 541673496.

It is an arithmetic number, because the mean of its divisors is an integer number (541673496).

Almost surely, 2^1083346991 is an apocalyptic number.

1083346991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083346991 is an equidigital number, since it uses as much as digits as its factorization.

1083346991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1083346991 is about 32914.2369044157. The cubic root of 1083346991 is about 1027.0443405976.

The spelling of 1083346991 in words is "one billion, eighty-three million, three hundred forty-six thousand, nine hundred ninety-one".