1982041039 has 4 divisors (see below), whose sum is σ = 2162226600. Its totient is φ = 1801855480.

The previous prime is 1982041013. The next prime is 1982041073. The reversal of 1982041039 is 9301402891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9301402891 = 11 ⋅845582081.

It is a cyclic number.

It is not a de Polignac number, because 1982041039 - 2⁷ = 1982040911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1982040989 and 1982041007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982041739) 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, 90092764 + ... + 90092785.

It is an arithmetic number, because the mean of its divisors is an integer number (540556650).

Almost surely, 2^1982041039 is an apocalyptic number.

1982041039 is a deficient number, since it is larger than the sum of its proper divisors (180185561).

1982041039 is a wasteful number, since it uses less digits than its factorization.

1982041039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180185560.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1982041039 is about 44520.1194854641. The cubic root of 1982041039 is about 1256.1385601038.

The spelling of 1982041039 in words is "one billion, nine hundred eighty-two million, forty-one thousand, thirty-nine".