9000441005 has 4 divisors (see below), whose sum is σ = 10800529212. Its totient is φ = 7200352800.

The previous prime is 9000441001. The next prime is 9000441013. The reversal of 9000441005 is 5001440009.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5001440009 = 419 ⋅11936611.

It can be written as a sum of positive squares in 2 ways, for example, as 2740941316 + 6259499689 = 52354^2 + 79117^2 .

It is not a de Polignac number, because 9000441005 - 2² = 9000441001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9000441001) 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, 900044096 + ... + 900044105.

It is an arithmetic number, because the mean of its divisors is an integer number (2700132303).

Almost surely, 2^9000441005 is an apocalyptic number.

It is an amenable number.

9000441005 is a deficient number, since it is larger than the sum of its proper divisors (1800088207).

9000441005 is a wasteful number, since it uses less digits than its factorization.

9000441005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800088206.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 9000441005 is about 94870.6540770116. The cubic root of 9000441005 is about 2080.1177975846.

The spelling of 9000441005 in words is "nine billion, four hundred forty-one thousand, five".