4891093905 has 16 divisors (see below), whose sum is σ = 8237632320. Its totient is φ = 2471289408.

The previous prime is 4891093901. The next prime is 4891093927. The reversal of 4891093905 is 5093901984.

It is not a de Polignac number, because 4891093905 - 2² = 4891093901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4891093901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8580582 + ... + 8581151.

It is an arithmetic number, because the mean of its divisors is an integer number (514852020).

Almost surely, 2^4891093905 is an apocalyptic number.

It is an amenable number.

4891093905 is a deficient number, since it is larger than the sum of its proper divisors (3346538415).

4891093905 is a wasteful number, since it uses less digits than its factorization.

4891093905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17161760.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 4891093905 is about 69936.3561032458. The cubic root of 4891093905 is about 1697.4695808298.

The spelling of 4891093905 in words is "four billion, eight hundred ninety-one million, ninety-three thousand, nine hundred five".