4721279039 has 4 divisors (see below), whose sum is σ = 4723703400. Its totient is φ = 4718854680.

The previous prime is 4721279033. The next prime is 4721279047. The reversal of 4721279039 is 9309721274.

4721279039 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4721279039 - 2²⁸ = 4452843583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4721279033) 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, 1209257 + ... + 1213154.

It is an arithmetic number, because the mean of its divisors is an integer number (1180925850).

Almost surely, 2^4721279039 is an apocalyptic number.

4721279039 is a deficient number, since it is larger than the sum of its proper divisors (2424361).

4721279039 is a wasteful number, since it uses less digits than its factorization.

4721279039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424360.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 4721279039 is about 68711.5640849486. The cubic root of 4721279039 is about 1677.5928108902.

The spelling of 4721279039 in words is "four billion, seven hundred twenty-one million, two hundred seventy-nine thousand, thirty-nine".