6848072138 has 4 divisors (see below), whose sum is σ = 10272108210. Its totient is φ = 3424036068.

The previous prime is 6848072089. The next prime is 6848072167. The reversal of 6848072138 is 8312708486.

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

It can be written as a sum of positive squares in only one way, i.e., 5871697129 + 976375009 = 76627^2 + 31247^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6848072092 and 6848072101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1712018033 + ... + 1712018036.

Almost surely, 2^6848072138 is an apocalyptic number.

6848072138 is a deficient number, since it is larger than the sum of its proper divisors (3424036072).

6848072138 is a wasteful number, since it uses less digits than its factorization.

6848072138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424036071.

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 6848072138 is about 82753.0793263912. The cubic root of 6848072138 is about 1898.9904274589.

The spelling of 6848072138 in words is "six billion, eight hundred forty-eight million, seventy-two thousand, one hundred thirty-eight".