1982084369 has 2 divisors, whose sum is σ = 1982084370. Its totient is φ = 1982084368.

The previous prime is 1982084341. The next prime is 1982084381. The reversal of 1982084369 is 9634802891.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1234608769 + 747475600 = 35137^2 + 27340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1982084369 is a prime.

It is a super-2 number, since 2×1982084369² = 7857316891668256322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1982084309) 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, 991042184 + 991042185.

It is an arithmetic number, because the mean of its divisors is an integer number (991042185).

Almost surely, 2^1982084369 is an apocalyptic number.

It is an amenable number.

1982084369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982084369 is an equidigital number, since it uses as much as digits as its factorization.

1982084369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 1982084369 is about 44520.6061167186. The cubic root of 1982084369 is about 1256.1477136457.

The spelling of 1982084369 in words is "one billion, nine hundred eighty-two million, eighty-four thousand, three hundred sixty-nine".