1982175082 has 4 divisors (see below), whose sum is σ = 2973262626. Its totient is φ = 991087540.

The previous prime is 1982175079. The next prime is 1982175119. The reversal of 1982175082 is 2805712891.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1372035681 + 610139401 = 37041^2 + 24701^2 .

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, 495543769 + ... + 495543772.

Almost surely, 2^1982175082 is an apocalyptic number.

1982175082 is a deficient number, since it is larger than the sum of its proper divisors (991087544).

1982175082 is an equidigital number, since it uses as much as digits as its factorization.

1982175082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991087543.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 1982175082 is about 44521.6248805005. The cubic root of 1982175082 is about 1256.1668765013.

The spelling of 1982175082 in words is "one billion, nine hundred eighty-two million, one hundred seventy-five thousand, eighty-two".