6739281268 has 6 divisors (see below), whose sum is σ = 11793742226. Its totient is φ = 3369640632.

The previous prime is 6739281223. The next prime is 6739281371. The reversal of 6739281268 is 8621829376.

It can be written as a sum of positive squares in only one way, i.e., 3444750864 + 3294530404 = 58692^2 + 57398^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 842410155 + ... + 842410162.

Almost surely, 2^6739281268 is an apocalyptic number.

It is an amenable number.

6739281268 is a deficient number, since it is larger than the sum of its proper divisors (5054460958).

6739281268 is a wasteful number, since it uses less digits than its factorization.

6739281268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684820321 (or 1684820319 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 6739281268 is about 82093.1255830840. The cubic root of 6739281268 is about 1888.8806925663.

The spelling of 6739281268 in words is "six billion, seven hundred thirty-nine million, two hundred eighty-one thousand, two hundred sixty-eight".