6286643068 has 6 divisors (see below), whose sum is σ = 11001625376. Its totient is φ = 3143321532.

The previous prime is 6286643063. The next prime is 6286643089. The reversal of 6286643068 is 8603466826.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6286643063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 785830380 + ... + 785830387.

Almost surely, 2^6286643068 is an apocalyptic number.

It is an amenable number.

6286643068 is a deficient number, since it is larger than the sum of its proper divisors (4714982308).

6286643068 is a wasteful number, since it uses less digits than its factorization.

6286643068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571660771 (or 1571660769 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 49.

The square root of 6286643068 is about 79288.3539241420. The cubic root of 6286643068 is about 1845.6085827572.

The spelling of 6286643068 in words is "six billion, two hundred eighty-six million, six hundred forty-three thousand, sixty-eight".