1982535895 has 4 divisors (see below), whose sum is σ = 2379043080. Its totient is φ = 1586028712.

The previous prime is 1982535883. The next prime is 1982535917. The reversal of 1982535895 is 5985352891.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1982535895 - 2¹⁹ = 1982011607 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 198253585 + ... + 198253594.

It is an arithmetic number, because the mean of its divisors is an integer number (594760770).

Almost surely, 2^1982535895 is an apocalyptic number.

1982535895 is a deficient number, since it is larger than the sum of its proper divisors (396507185).

1982535895 is an equidigital number, since it uses as much as digits as its factorization.

1982535895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396507184.

The product of its digits is 3888000, while the sum is 55.

The square root of 1982535895 is about 44525.6768056365. The cubic root of 1982535895 is about 1256.2430914036.

The spelling of 1982535895 in words is "one billion, nine hundred eighty-two million, five hundred thirty-five thousand, eight hundred ninety-five".