2041999985 has 16 divisors (see below), whose sum is σ = 2461968000. Its totient is φ = 1625909376.

The previous prime is 2041999951. The next prime is 2041999991. The reversal of 2041999985 is 5899991402.

It is a cyclic number.

It is not a de Polignac number, because 2041999985 - 2¹⁶ = 2041934449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2041999985.

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, 1224122 + ... + 1225788.

It is an arithmetic number, because the mean of its divisors is an integer number (153873000).

Almost surely, 2^2041999985 is an apocalyptic number.

It is an amenable number.

2041999985 is a deficient number, since it is larger than the sum of its proper divisors (419968015).

2041999985 is a wasteful number, since it uses less digits than its factorization.

2041999985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680.

The product of its (nonzero) digits is 2099520, while the sum is 56.

The square root of 2041999985 is about 45188.4939448086. The cubic root of 2041999985 is about 1268.6794683303.

The spelling of 2041999985 in words is "two billion, forty-one million, nine hundred ninety-nine thousand, nine hundred eighty-five".