6685042006 has 4 divisors (see below), whose sum is σ = 10027563012. Its totient is φ = 3342521002.

The previous prime is 6685042003. The next prime is 6685042031. The reversal of 6685042006 is 6002405866.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6685042003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1671260500 + ... + 1671260503.

It is an arithmetic number, because the mean of its divisors is an integer number (2506890753).

Almost surely, 2^6685042006 is an apocalyptic number.

6685042006 is a deficient number, since it is larger than the sum of its proper divisors (3342521006).

6685042006 is a wasteful number, since it uses less digits than its factorization.

6685042006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342521005.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 6685042006 is about 81762.1061739483. The cubic root of 6685042006 is about 1883.7996571073.

The spelling of 6685042006 in words is "six billion, six hundred eighty-five million, forty-two thousand, six".