4404426643 has 4 divisors (see below), whose sum is σ = 4404909888. Its totient is φ = 4403943400.

The previous prime is 4404426619. The next prime is 4404426647. The reversal of 4404426643 is 3466244044.

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 4404426643 - 2¹³ = 4404418451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4404426647) 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, 227683 + ... + 246268.

It is an arithmetic number, because the mean of its divisors is an integer number (1101227472).

Almost surely, 2^4404426643 is an apocalyptic number.

4404426643 is a deficient number, since it is larger than the sum of its proper divisors (483245).

4404426643 is an equidigital number, since it uses as much as digits as its factorization.

4404426643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483244.

The product of its (nonzero) digits is 221184, while the sum is 37.

The square root of 4404426643 is about 66365.8544961187. The cubic root of 4404426643 is about 1639.1918786526.

The spelling of 4404426643 in words is "four billion, four hundred four million, four hundred twenty-six thousand, six hundred forty-three".