4839142538 has 8 divisors (see below), whose sum is σ = 7259445732. Its totient is φ = 2419327296.

The previous prime is 4839142493. The next prime is 4839142541. The reversal of 4839142538 is 8352419384.

It can be written as a sum of positive squares in 2 ways, for example, as 4838176249 + 966289 = 69557^2 + 983^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 4839142492 and 4839142501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96095 + ... + 137522.

Almost surely, 2^4839142538 is an apocalyptic number.

4839142538 is a deficient number, since it is larger than the sum of its proper divisors (2420303194).

4839142538 is a wasteful number, since it uses less digits than its factorization.

4839142538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243976.

The product of its digits is 829440, while the sum is 47.

The square root of 4839142538 is about 69563.9456759031. The cubic root of 4839142538 is about 1691.4382138741.

The spelling of 4839142538 in words is "four billion, eight hundred thirty-nine million, one hundred forty-two thousand, five hundred thirty-eight".