1982391483 has 16 divisors (see below), whose sum is σ = 2748672000. Its totient is φ = 1269330720.

The previous prime is 1982391469. The next prime is 1982391557. The reversal of 1982391483 is 3841932891.

It is not a de Polignac number, because 1982391483 - 2¹² = 1982387387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1982391443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43033 + ... + 76266.

It is an arithmetic number, because the mean of its divisors is an integer number (171792000).

Almost surely, 2^1982391483 is an apocalyptic number.

1982391483 is a deficient number, since it is larger than the sum of its proper divisors (766280517).

1982391483 is a wasteful number, since it uses less digits than its factorization.

1982391483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119522.

The product of its digits is 373248, while the sum is 48.

The square root of 1982391483 is about 44524.0551050777. The cubic root of 1982391483 is about 1256.2125882178.

The spelling of 1982391483 in words is "one billion, nine hundred eighty-two million, three hundred ninety-one thousand, four hundred eighty-three".