1982337443 has 2 divisors, whose sum is σ = 1982337444. Its totient is φ = 1982337442.

The previous prime is 1982337437. The next prime is 1982337491. The reversal of 1982337443 is 3447332891.

It is a weak prime.

It is an emirp because it is prime and its reverse (3447332891) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1982337443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1982337394 and 1982337403.

It is not a weakly prime, because it can be changed into another prime (1982337433) 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, 991168721 + 991168722.

It is an arithmetic number, because the mean of its divisors is an integer number (991168722).

Almost surely, 2^1982337443 is an apocalyptic number.

1982337443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982337443 is an equidigital number, since it uses as much as digits as its factorization.

1982337443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 44.

The square root of 1982337443 is about 44523.4482379791. The cubic root of 1982337443 is about 1256.2011733273.

The spelling of 1982337443 in words is "one billion, nine hundred eighty-two million, three hundred thirty-seven thousand, four hundred forty-three".