1982324873 has 2 divisors, whose sum is σ = 1982324874. Its totient is φ = 1982324872.

The previous prime is 1982324821. The next prime is 1982324923. The reversal of 1982324873 is 3784232891.

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., 1644059209 + 338265664 = 40547^2 + 18392^2 .

It is a cyclic number.

It is not a de Polignac number, because 1982324873 - 2¹² = 1982320777 is a prime.

It is a super-2 number, since 2×1982324873² = 7859223804228932258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1982329873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991162436 + 991162437.

It is an arithmetic number, because the mean of its divisors is an integer number (991162437).

Almost surely, 2^1982324873 is an apocalyptic number.

It is an amenable number.

1982324873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982324873 is an equidigital number, since it uses as much as digits as its factorization.

1982324873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The square root of 1982324873 is about 44523.3070761820. The cubic root of 1982324873 is about 1256.1985181315.

The spelling of 1982324873 in words is "one billion, nine hundred eighty-two million, three hundred twenty-four thousand, eight hundred seventy-three".