1982169502 has 32 divisors (see below), whose sum is σ = 3211803360. Its totient is φ = 917216640.

The previous prime is 1982169467. The next prime is 1982169521. The reversal of 1982169502 is 2059612891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597733 + ... + 601039.

It is an arithmetic number, because the mean of its divisors is an integer number (100368855).

Almost surely, 2^1982169502 is an apocalyptic number.

1982169502 is a deficient number, since it is larger than the sum of its proper divisors (1229633858).

1982169502 is an equidigital number, since it uses as much as digits as its factorization.

1982169502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421 (or 3387 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 1982169502 is about 44521.5622142799. The cubic root of 1982169502 is about 1256.1656977595.

The spelling of 1982169502 in words is "one billion, nine hundred eighty-two million, one hundred sixty-nine thousand, five hundred two".