4408125091 has 6 divisors (see below), whose sum is σ = 4513025580. Its totient is φ = 4305608748.

The previous prime is 4408125061. The next prime is 4408125097. The reversal of 4408125091 is 1905218044.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4408125091 is a prime.

It is a super-3 number, since 3×4408125091³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4408125097) 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 5 ways as a sum of consecutive naturals, for example, 1190181 + ... + 1193878.

It is an arithmetic number, because the mean of its divisors is an integer number (752170930).

Almost surely, 2^4408125091 is an apocalyptic number.

4408125091 is a deficient number, since it is larger than the sum of its proper divisors (104900489).

4408125091 is an equidigital number, since it uses as much as digits as its factorization.

4408125091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384145 (or 2384102 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 4408125091 is about 66393.7127369753. The cubic root of 4408125091 is about 1639.6505664153.

The spelling of 4408125091 in words is "four billion, four hundred eight million, one hundred twenty-five thousand, ninety-one".