6740899683865 has 8 divisors (see below), whose sum is σ = 8368013400840. Its totient is φ = 5206763893632.

The previous prime is 6740899683797. The next prime is 6740899683871. The reversal of 6740899683865 is 5683869980476.

6740899683865 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2090976732441 + 4649922951424 = 1446021^2 + 2156368^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6740899683865 - 2¹³ = 6740899675673 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23244481524 + ... + 23244481813.

It is an arithmetic number, because the mean of its divisors is an integer number (1046001675105).

Almost surely, 2^{6740899683865} is an apocalyptic number.

It is an amenable number.

6740899683865 is a deficient number, since it is larger than the sum of its proper divisors (1627113716975).

6740899683865 is a wasteful number, since it uses less digits than its factorization.

6740899683865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46488963371.

The product of its (nonzero) digits is 3762339840, while the sum is 79.

The spelling of 6740899683865 in words is "six trillion, seven hundred forty billion, eight hundred ninety-nine million, six hundred eighty-three thousand, eight hundred sixty-five".