5091459091 has 4 divisors (see below), whose sum is σ = 5104893400. Its totient is φ = 5078024784.

The previous prime is 5091459077. The next prime is 5091459143. The reversal of 5091459091 is 1909541905.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5091459091 - 2⁵ = 5091459059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5091459391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6716586 + ... + 6717343.

It is an arithmetic number, because the mean of its divisors is an integer number (1276223350).

Almost surely, 2^5091459091 is an apocalyptic number.

5091459091 is a deficient number, since it is larger than the sum of its proper divisors (13434309).

5091459091 is a wasteful number, since it uses less digits than its factorization.

5091459091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13434308.

The product of its (nonzero) digits is 72900, while the sum is 43.

The square root of 5091459091 is about 71354.4609046975. The cubic root of 5091459091 is about 1720.3392033145.

The spelling of 5091459091 in words is "five billion, ninety-one million, four hundred fifty-nine thousand, ninety-one".