1982822519 has 2 divisors, whose sum is σ = 1982822520. Its totient is φ = 1982822518.

The previous prime is 1982822503. The next prime is 1982822521. The reversal of 1982822519 is 9152282891.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1982822519 - 2⁴ = 1982822503 is a prime.

It is a super-2 number, since 2×1982822519² = 7863170283707010722, which contains 22 as substring.

Together with 1982822521, 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 (1982822599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991411259 + 991411260.

It is an arithmetic number, because the mean of its divisors is an integer number (991411260).

Almost surely, 2^1982822519 is an apocalyptic number.

1982822519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982822519 is an equidigital number, since it uses as much as digits as its factorization.

1982822519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 47.

The square root of 1982822519 is about 44528.8953265180. The cubic root of 1982822519 is about 1256.3036286966.

The spelling of 1982822519 in words is "one billion, nine hundred eighty-two million, eight hundred twenty-two thousand, five hundred nineteen".