1982393499 has 8 divisors (see below), whose sum is σ = 2644097040. Its totient is φ = 1321142816.

The previous prime is 1982393473. The next prime is 1982393533. The reversal of 1982393499 is 9943932891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1982393499 - 2¹² = 1982389403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1982393429) 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 7 ways as a sum of consecutive naturals, for example, 102864 + ... + 120605.

It is an arithmetic number, because the mean of its divisors is an integer number (330512130).

Almost surely, 2^1982393499 is an apocalyptic number.

1982393499 is a deficient number, since it is larger than the sum of its proper divisors (661703541).

1982393499 is a wasteful number, since it uses less digits than its factorization.

1982393499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226429.

The product of its digits is 3779136, while the sum is 57.

The square root of 1982393499 is about 44524.0777445193. The cubic root of 1982393499 is about 1256.2130140543.

The spelling of 1982393499 in words is "one billion, nine hundred eighty-two million, three hundred ninety-three thousand, four hundred ninety-nine".