983313493 has 2 divisors, whose sum is σ = 983313494. Its totient is φ = 983313492.

The previous prime is 983313491. The next prime is 983313497. The reversal of 983313493 is 394313389.

983313493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 934341489 + 48972004 = 30567^2 + 6998^2 .

It is an emirp because it is prime and its reverse (394313389) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 983313493 - 2¹ = 983313491 is a prime.

It is a super-2 number, since 2×983313493² = 1933810851031722098, which contains 22 as substring.

Together with 983313491, 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 (983313491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491656746 + 491656747.

It is an arithmetic number, because the mean of its divisors is an integer number (491656747).

Almost surely, 2^983313493 is an apocalyptic number.

It is an amenable number.

983313493 is a deficient number, since it is larger than the sum of its proper divisors (1).

983313493 is an equidigital number, since it uses as much as digits as its factorization.

983313493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 43.

The square root of 983313493 is about 31357.8298515698. The cubic root of 983313493 is about 994.4066032446.

The spelling of 983313493 in words is "nine hundred eighty-three million, three hundred thirteen thousand, four hundred ninety-three".