4441091245 has 4 divisors (see below), whose sum is σ = 5329309500. Its totient is φ = 3552872992.

The previous prime is 4441091231. The next prime is 4441091261. The reversal of 4441091245 is 5421901444.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 970820964 + 3470270281 = 31158^2 + 58909^2 .

It is a cyclic number.

It is not a de Polignac number, because 4441091245 - 2²¹ = 4438994093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4441091245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444109120 + ... + 444109129.

It is an arithmetic number, because the mean of its divisors is an integer number (1332327375).

Almost surely, 2^4441091245 is an apocalyptic number.

It is an amenable number.

4441091245 is a deficient number, since it is larger than the sum of its proper divisors (888218255).

4441091245 is an equidigital number, since it uses as much as digits as its factorization.

4441091245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888218254.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 4441091245 is about 66641.5129255031. The cubic root of 4441091245 is about 1643.7277938082.

Adding to 4441091245 its reverse (5421901444), we get a palindrome (9862992689).

The spelling of 4441091245 in words is "four billion, four hundred forty-one million, ninety-one thousand, two hundred forty-five".