4404981439 has 4 divisors (see below), whose sum is σ = 4405257400. Its totient is φ = 4404705480.

The previous prime is 4404981433. The next prime is 4404981463. The reversal of 4404981439 is 9341894044.

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

It is a cyclic number.

It is not a de Polignac number, because 4404981439 - 2⁵ = 4404981407 is a prime.

It is a super-2 number, since 2×4404981439² = 38807722955869021442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4404981433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112464 + ... + 146485.

It is an arithmetic number, because the mean of its divisors is an integer number (1101314350).

Almost surely, 2^4404981439 is an apocalyptic number.

4404981439 is a deficient number, since it is larger than the sum of its proper divisors (275961).

4404981439 is a wasteful number, since it uses less digits than its factorization.

4404981439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275960.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 4404981439 is about 66370.0341946575. The cubic root of 4404981439 is about 1639.2607017549.

The spelling of 4404981439 in words is "four billion, four hundred four million, nine hundred eighty-one thousand, four hundred thirty-nine".