2042172986 has 16 divisors (see below), whose sum is σ = 3501611520. Its totient is φ = 875031120.

The previous prime is 2042172973. The next prime is 2042173009. The reversal of 2042172986 is 6892712402.

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 7 ways as a sum of consecutive naturals, for example, 68480 + ... + 93668.

It is an arithmetic number, because the mean of its divisors is an integer number (218850720).

Almost surely, 2^2042172986 is an apocalyptic number.

2042172986 is a deficient number, since it is larger than the sum of its proper divisors (1459438534).

2042172986 is a wasteful number, since it uses less digits than its factorization.

2042172986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30989.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 2042172986 is about 45190.4081194229. The cubic root of 2042172986 is about 1268.7152953986.

The spelling of 2042172986 in words is "two billion, forty-two million, one hundred seventy-two thousand, nine hundred eighty-six".