4412421639 has 6 divisors (see below), whose sum is σ = 6373497936. Its totient is φ = 2941614420.

The previous prime is 4412421583. The next prime is 4412421647. The reversal of 4412421639 is 9361242144.

4412421639 is a `hidden beast` number, since 4 + 4 + 12 + 4 + 2 + 1 + 639 = 666.

It is not a de Polignac number, because 4412421639 - 2⁷ = 4412421511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4412422639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 245134527 + ... + 245134544.

It is an arithmetic number, because the mean of its divisors is an integer number (1062249656).

Almost surely, 2^4412421639 is an apocalyptic number.

4412421639 is a deficient number, since it is larger than the sum of its proper divisors (1961076297).

4412421639 is a wasteful number, since it uses less digits than its factorization.

4412421639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490269077 (or 490269074 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 4412421639 is about 66426.0614442856. The cubic root of 4412421639 is about 1640.1831095120.

The spelling of 4412421639 in words is "four billion, four hundred twelve million, four hundred twenty-one thousand, six hundred thirty-nine".