4801420639 has 4 divisors (see below), whose sum is σ = 4807269720. Its totient is φ = 4795571560.

The previous prime is 4801420633. The next prime is 4801420651. The reversal of 4801420639 is 9360241084.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4801420639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4801420598 and 4801420607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4801420633) 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, 2923309 + ... + 2924950.

It is an arithmetic number, because the mean of its divisors is an integer number (1201817430).

Almost surely, 2^4801420639 is an apocalyptic number.

4801420639 is a deficient number, since it is larger than the sum of its proper divisors (5849081).

4801420639 is an equidigital number, since it uses as much as digits as its factorization.

4801420639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5849080.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 4801420639 is about 69292.2841231259. The cubic root of 4801420639 is about 1687.0317327073.

The spelling of 4801420639 in words is "four billion, eight hundred one million, four hundred twenty thousand, six hundred thirty-nine".