6685136411 has 8 divisors (see below), whose sum is σ = 6789076320. Its totient is φ = 6581947392.

The previous prime is 6685136399. The next prime is 6685136417. The reversal of 6685136411 is 1146315866.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6685136411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6685136417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169766 + ... + 205403.

It is an arithmetic number, because the mean of its divisors is an integer number (848634540).

Almost surely, 2^6685136411 is an apocalyptic number.

6685136411 is a deficient number, since it is larger than the sum of its proper divisors (103939909).

6685136411 is a wasteful number, since it uses less digits than its factorization.

6685136411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375445.

The product of its digits is 103680, while the sum is 41.

The square root of 6685136411 is about 81762.6834870285. The cubic root of 6685136411 is about 1883.8085246292.

The spelling of 6685136411 in words is "six billion, six hundred eighty-five million, one hundred thirty-six thousand, four hundred eleven".