4591378985 has 8 divisors (see below), whose sum is σ = 5563147200. Its totient is φ = 3637441584.

The previous prime is 4591378949. The next prime is 4591379003. The reversal of 4591378985 is 5898731954.

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 4591378985 - 2²⁸ = 4322943529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4457135 + ... + 4458164.

It is an arithmetic number, because the mean of its divisors is an integer number (695393400).

Almost surely, 2^4591378985 is an apocalyptic number.

It is an amenable number.

4591378985 is a deficient number, since it is larger than the sum of its proper divisors (971768215).

4591378985 is a wasteful number, since it uses less digits than its factorization.

4591378985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8915407.

The product of its digits is 10886400, while the sum is 59.

The square root of 4591378985 is about 67759.7150599086. The cubic root of 4591378985 is about 1662.0638896790.

The spelling of 4591378985 in words is "four billion, five hundred ninety-one million, three hundred seventy-eight thousand, nine hundred eighty-five".