4105349291 has 4 divisors (see below), whose sum is σ = 4163171184. Its totient is φ = 4047527400.

The previous prime is 4105349231. The next prime is 4105349377. The reversal of 4105349291 is 1929435014.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4105349291 is a prime.

It is a super-2 number, since 2×4105349291² = 33707785602228405362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4105349221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28910840 + ... + 28910981.

It is an arithmetic number, because the mean of its divisors is an integer number (1040792796).

Almost surely, 2^4105349291 is an apocalyptic number.

4105349291 is a deficient number, since it is larger than the sum of its proper divisors (57821893).

4105349291 is an equidigital number, since it uses as much as digits as its factorization.

4105349291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57821892.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 4105349291 is about 64072.9997034632. Note that the first 3 decimals coincide. The cubic root of 4105349291 is about 1601.2164305500.

Adding to 4105349291 its sum of digits (38), we get a square (4105349329 = 64073²).

The spelling of 4105349291 in words is "four billion, one hundred five million, three hundred forty-nine thousand, two hundred ninety-one".