6708139426 has 8 divisors (see below), whose sum is σ = 10062942444. Its totient is φ = 3353825280.

The previous prime is 6708139421. The next prime is 6708139447. The reversal of 6708139426 is 6249318076.

It can be written as a sum of positive squares in 2 ways, for example, as 6634265401 + 73874025 = 81451^2 + 8595^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6708139421) 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, 85735 + ... + 144106.

Almost surely, 2^6708139426 is an apocalyptic number.

6708139426 is a deficient number, since it is larger than the sum of its proper divisors (3354803018).

6708139426 is a wasteful number, since it uses less digits than its factorization.

6708139426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244436.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 6708139426 is about 81903.2320851870. The cubic root of 6708139426 is about 1885.9667288293.

The spelling of 6708139426 in words is "six billion, seven hundred eight million, one hundred thirty-nine thousand, four hundred twenty-six".