6685248845 has 16 divisors (see below), whose sum is σ = 8762240448. Its totient is φ = 4856087040.

The previous prime is 6685248767. The next prime is 6685248851. The reversal of 6685248845 is 5488425866.

6685248845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-6685248845 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28004 + ... + 118973.

It is an arithmetic number, because the mean of its divisors is an integer number (547640028).

Almost surely, 2^6685248845 is an apocalyptic number.

It is an amenable number.

6685248845 is a deficient number, since it is larger than the sum of its proper divisors (2076991603).

6685248845 is a wasteful number, since it uses less digits than its factorization.

6685248845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147820.

The product of its digits is 14745600, while the sum is 56.

The square root of 6685248845 is about 81763.3710471871. The cubic root of 6685248845 is about 1883.8190855177.

The spelling of 6685248845 in words is "six billion, six hundred eighty-five million, two hundred forty-eight thousand, eight hundred forty-five".