4591910091 has 8 divisors (see below), whose sum is σ = 6156751680. Its totient is φ = 3044170952.

The previous prime is 4591910051. The next prime is 4591910111. The reversal of 4591910091 is 1900191954.

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 4591910091 - 2⁶ = 4591910027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4591910041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4274985 + ... + 4276058.

It is an arithmetic number, because the mean of its divisors is an integer number (769593960).

Almost surely, 2^4591910091 is an apocalyptic number.

4591910091 is a deficient number, since it is larger than the sum of its proper divisors (1564841589).

4591910091 is a wasteful number, since it uses less digits than its factorization.

4591910091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8551225.

The product of its (nonzero) digits is 14580, while the sum is 39.

The square root of 4591910091 is about 67763.6339860843. The cubic root of 4591910091 is about 1662.1279734087.

The spelling of 4591910091 in words is "four billion, five hundred ninety-one million, nine hundred ten thousand, ninety-one".