6406727698 has 16 divisors (see below), whose sum is σ = 10988493120. Its totient is φ = 2744357616.

The previous prime is 6406727611. The next prime is 6406727741. The reversal of 6406727698 is 8967276046.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86193 + ... + 142276.

It is an arithmetic number, because the mean of its divisors is an integer number (686780820).

Almost surely, 2^6406727698 is an apocalyptic number.

6406727698 is a deficient number, since it is larger than the sum of its proper divisors (4581765422).

6406727698 is a wasteful number, since it uses less digits than its factorization.

6406727698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230481.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The square root of 6406727698 is about 80042.0370680307. The cubic root of 6406727698 is about 1857.2858724504.

The spelling of 6406727698 in words is "six billion, four hundred six million, seven hundred twenty-seven thousand, six hundred ninety-eight".