5718909891 has 8 divisors (see below), whose sum is σ = 7699244800. Its totient is φ = 3775590792.

The previous prime is 5718909869. The next prime is 5718909899. The reversal of 5718909891 is 1989098175.

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

It is not a de Polignac number, because 5718909891 - 2¹⁴ = 5718893507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5718909899) 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, 9253591 + ... + 9254208.

It is an arithmetic number, because the mean of its divisors is an integer number (962405600).

Almost surely, 2^5718909891 is an apocalyptic number.

5718909891 is a deficient number, since it is larger than the sum of its proper divisors (1980334909).

5718909891 is a wasteful number, since it uses less digits than its factorization.

5718909891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18507905.

The product of its (nonzero) digits is 1632960, while the sum is 57.

The square root of 5718909891 is about 75623.4744705637. The cubic root of 5718909891 is about 1788.2891897575.

The spelling of 5718909891 in words is "five billion, seven hundred eighteen million, nine hundred nine thousand, eight hundred ninety-one".