6746786845 has 16 divisors (see below), whose sum is σ = 8253128880. Its totient is φ = 5292877824.

The previous prime is 6746786833. The next prime is 6746786869. The reversal of 6746786845 is 5486876476.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 913187961 + 5833598884 = 30219^2 + 76378^2 .

It is a cyclic number.

It is not a de Polignac number, because 6746786845 - 2³¹ = 4599303197 is a prime.

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, 627757 + ... + 638413.

It is an arithmetic number, because the mean of its divisors is an integer number (515820555).

Almost surely, 2^6746786845 is an apocalyptic number.

It is an amenable number.

6746786845 is a deficient number, since it is larger than the sum of its proper divisors (1506342035).

6746786845 is a wasteful number, since it uses less digits than its factorization.

6746786845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13104.

The product of its digits is 54190080, while the sum is 61.

The square root of 6746786845 is about 82138.8266595037. The cubic root of 6746786845 is about 1889.5816515715.

The spelling of 6746786845 in words is "six billion, seven hundred forty-six million, seven hundred eighty-six thousand, eight hundred forty-five".