6688741402 has 8 divisors (see below), whose sum is σ = 11466413856. Its totient is φ = 2866603452.

The previous prime is 6688741379. The next prime is 6688741421. The reversal of 6688741402 is 2041478866.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238883608 + ... + 238883635.

It is an arithmetic number, because the mean of its divisors is an integer number (1433301732).

Almost surely, 2^6688741402 is an apocalyptic number.

6688741402 is a deficient number, since it is larger than the sum of its proper divisors (4777672454).

6688741402 is a wasteful number, since it uses less digits than its factorization.

6688741402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477767252.

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 6688741402 is about 81784.7259700734. The cubic root of 6688741402 is about 1884.1470812924.

The spelling of 6688741402 in words is "six billion, six hundred eighty-eight million, seven hundred forty-one thousand, four hundred two".