4050008891 has 8 divisors (see below), whose sum is σ = 4194089280. Its totient is φ = 3906223552.

The previous prime is 4050008881. The next prime is 4050008903. The reversal of 4050008891 is 1988000504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4050008891 - 2¹⁸ = 4049746747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4050008861) 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 7 ways as a sum of consecutive naturals, for example, 45635 + ... + 100908.

It is an arithmetic number, because the mean of its divisors is an integer number (524261160).

Almost surely, 2^4050008891 is an apocalyptic number.

4050008891 is a deficient number, since it is larger than the sum of its proper divisors (144080389).

4050008891 is a wasteful number, since it uses less digits than its factorization.

4050008891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147525.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 4050008891 is about 63639.6801610442. The cubic root of 4050008891 is about 1593.9890202048.

The spelling of 4050008891 in words is "four billion, fifty million, eight thousand, eight hundred ninety-one".