6726899842 has 8 divisors (see below), whose sum is σ = 10866530556. Its totient is φ = 3104722992.

The previous prime is 6726899819. The next prime is 6726899903. The reversal of 6726899842 is 2489986276.

It can be written as a sum of positive squares in 2 ways, for example, as 5375675761 + 1351224081 = 73319^2 + 36759^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129363433 + ... + 129363484.

Almost surely, 2^6726899842 is an apocalyptic number.

6726899842 is a deficient number, since it is larger than the sum of its proper divisors (4139630714).

6726899842 is a wasteful number, since it uses less digits than its factorization.

6726899842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258726932.

The product of its digits is 20901888, while the sum is 61.

The square root of 6726899842 is about 82017.6800574120. The cubic root of 6726899842 is about 1887.7232311859.

The spelling of 6726899842 in words is "six billion, seven hundred twenty-six million, eight hundred ninety-nine thousand, eight hundred forty-two".