1982850536 has 16 divisors (see below), whose sum is σ = 3718450500. Its totient is φ = 991263744.

The previous prime is 1982850521. The next prime is 1982850577. The reversal of 1982850536 is 6350582891.

It can be written as a sum of positive squares in 2 ways, for example, as 1855024900 + 127825636 = 43070^2 + 11306^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43976 + ... + 76808.

Almost surely, 2^1982850536 is an apocalyptic number.

It is an amenable number.

1982850536 is a deficient number, since it is larger than the sum of its proper divisors (1735599964).

1982850536 is a wasteful number, since it uses less digits than its factorization.

1982850536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40388 (or 40384 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 1982850536 is about 44529.2099188836. The cubic root of 1982850536 is about 1256.3095457992.

The spelling of 1982850536 in words is "one billion, nine hundred eighty-two million, eight hundred fifty thousand, five hundred thirty-six".