4866438979 has 4 divisors (see below), whose sum is σ = 4867853400. Its totient is φ = 4865024560.

The previous prime is 4866438977. The next prime is 4866439009. The reversal of 4866438979 is 9798346684.

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 4866438979 - 2¹ = 4866438977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4866438979.

It is not an unprimeable number, because it can be changed into a prime (4866438977) 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, 702037 + ... + 708934.

It is an arithmetic number, because the mean of its divisors is an integer number (1216963350).

Almost surely, 2^4866438979 is an apocalyptic number.

4866438979 is a deficient number, since it is larger than the sum of its proper divisors (1414421).

4866438979 is a wasteful number, since it uses less digits than its factorization.

4866438979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414420.

The product of its digits is 62705664, while the sum is 64.

The square root of 4866438979 is about 69759.8665351361. The cubic root of 4866438979 is about 1694.6125849756.

The spelling of 4866438979 in words is "four billion, eight hundred sixty-six million, four hundred thirty-eight thousand, nine hundred seventy-nine".