1982219383 has 4 divisors (see below), whose sum is σ = 1982770128. Its totient is φ = 1981668640.

The previous prime is 1982219341. The next prime is 1982219399. The reversal of 1982219383 is 3839122891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3839122891 = 1627 ⋅2359633.

It is a cyclic number.

It is not a de Polignac number, because 1982219383 - 2²⁵ = 1948664951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982219483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269938 + ... + 277183.

It is an arithmetic number, because the mean of its divisors is an integer number (495692532).

Almost surely, 2^1982219383 is an apocalyptic number.

1982219383 is a deficient number, since it is larger than the sum of its proper divisors (550745).

1982219383 is an equidigital number, since it uses as much as digits as its factorization.

1982219383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550744.

The product of its digits is 186624, while the sum is 46.

The square root of 1982219383 is about 44522.1223999935. The cubic root of 1982219383 is about 1256.1762347453.

The spelling of 1982219383 in words is "one billion, nine hundred eighty-two million, two hundred nineteen thousand, three hundred eighty-three".