2033935981 has 16 divisors (see below), whose sum is σ = 2684983680. Its totient is φ = 1491655680.

The previous prime is 2033935949. The next prime is 2033936033. The reversal of 2033935981 is 1895393302.

It is a cyclic number.

It is not a de Polignac number, because 2033935981 - 2⁵ = 2033935949 is a prime.

It is a super-2 number, since 2×2033935981² = 8273791149612864722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2033933981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775596 + ... + 778213.

It is an arithmetic number, because the mean of its divisors is an integer number (167811480).

Almost surely, 2^2033935981 is an apocalyptic number.

It is an amenable number.

2033935981 is a deficient number, since it is larger than the sum of its proper divisors (651047699).

2033935981 is a wasteful number, since it uses less digits than its factorization.

2033935981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553844.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 2033935981 is about 45099.1793827781. The cubic root of 2033935981 is about 1267.0072298096.

The spelling of 2033935981 in words is "two billion, thirty-three million, nine hundred thirty-five thousand, nine hundred eighty-one".