1959975982 has 4 divisors (see below), whose sum is σ = 2939963976. Its totient is φ = 979987990.

The previous prime is 1959975967. The next prime is 1959976001. The reversal of 1959975982 is 2895799591.

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

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 as a sum of consecutive naturals, namely, 489993994 + ... + 489993997.

It is an arithmetic number, because the mean of its divisors is an integer number (734990994).

Almost surely, 2^1959975982 is an apocalyptic number.

1959975982 is a deficient number, since it is larger than the sum of its proper divisors (979987994).

1959975982 is an equidigital number, since it uses as much as digits as its factorization.

1959975982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979987993.

The product of its digits is 18370800, while the sum is 64.

The square root of 1959975982 is about 44271.6159858662. The cubic root of 1959975982 is about 1251.4598372631.

The spelling of 1959975982 in words is "one billion, nine hundred fifty-nine million, nine hundred seventy-five thousand, nine hundred eighty-two".