4979817438 has 8 divisors (see below), whose sum is σ = 9959634888. Its totient is φ = 1659939144.

The previous prime is 4979817419. The next prime is 4979817439. The reversal of 4979817438 is 8347189794.

It is a sphenic number, since it is the product of 3 distinct primes.

4979817438 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4979817439) 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, 414984781 + ... + 414984792.

It is an arithmetic number, because the mean of its divisors is an integer number (1244954361).

Almost surely, 2^4979817438 is an apocalyptic number.

4979817438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4979817438 is a wasteful number, since it uses less digits than its factorization.

4979817438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829969578.

The product of its digits is 12192768, while the sum is 60.

The square root of 4979817438 is about 70567.8215477848. The cubic root of 4979817438 is about 1707.6720643031.

The spelling of 4979817438 in words is "four billion, nine hundred seventy-nine million, eight hundred seventeen thousand, four hundred thirty-eight".