4421639999 has 12 divisors (see below), whose sum is σ = 5159098728. Its totient is φ = 3778513200.

The previous prime is 4421639969. The next prime is 4421640023. The reversal of 4421639999 is 9999361244.

It is not a de Polignac number, because 4421639999 - 2²⁴ = 4404862783 is a prime.

It is a super-3 number, since 3×4421639999³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421639969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120092 + ... + 152529.

It is an arithmetic number, because the mean of its divisors is an integer number (429924894).

Almost surely, 2^4421639999 is an apocalyptic number.

4421639999 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4421639999 is a deficient number, since it is larger than the sum of its proper divisors (737458729).

4421639999 is a wasteful number, since it uses less digits than its factorization.

4421639999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272966 (or 272959 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 56.

The square root of 4421639999 is about 66495.4133681414. The cubic root of 4421639999 is about 1641.3245296862.

The spelling of 4421639999 in words is "four billion, four hundred twenty-one million, six hundred thirty-nine thousand, nine hundred ninety-nine".