4839122891 has 4 divisors (see below), whose sum is σ = 4840611000. Its totient is φ = 4837634784.

The previous prime is 4839122857. The next prime is 4839122917. The reversal of 4839122891 is 1982219384.

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 4839122891 - 2¹⁴ = 4839106507 is a prime.

It is a super-2 number, since 2×4839122891² = 46834220708400395762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4839122831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739166 + ... + 745683.

It is an arithmetic number, because the mean of its divisors is an integer number (1210152750).

Almost surely, 2^4839122891 is an apocalyptic number.

4839122891 is a deficient number, since it is larger than the sum of its proper divisors (1488109).

4839122891 is a wasteful number, since it uses less digits than its factorization.

4839122891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488108.

The product of its digits is 248832, while the sum is 47.

The square root of 4839122891 is about 69563.8044603657. The cubic root of 4839122891 is about 1691.4359247818.

The spelling of 4839122891 in words is "four billion, eight hundred thirty-nine million, one hundred twenty-two thousand, eight hundred ninety-one".