8105419091 has 16 divisors (see below), whose sum is σ = 10179233280. Its totient is φ = 6269801280.

The previous prime is 8105419081. The next prime is 8105419099. The reversal of 8105419091 is 1909145018.

It is a cyclic number.

It is not a de Polignac number, because 8105419091 - 2¹⁴ = 8105402707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8105419099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373631 + ... + 394728.

It is an arithmetic number, because the mean of its divisors is an integer number (636202080).

Almost surely, 2^8105419091 is an apocalyptic number.

8105419091 is a deficient number, since it is larger than the sum of its proper divisors (2073814189).

8105419091 is a wasteful number, since it uses less digits than its factorization.

8105419091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768514.

The product of its (nonzero) digits is 12960, while the sum is 38.

The square root of 8105419091 is about 90030.1010273786. The cubic root of 8105419091 is about 2008.7466168349.

The spelling of 8105419091 in words is "eight billion, one hundred five million, four hundred nineteen thousand, ninety-one".