6785165113489 has 16 divisors (see below), whose sum is σ = 8401564626048. Its totient is φ = 5346450208512.

The previous prime is 6785165113487. The next prime is 6785165113511. The reversal of 6785165113489 is 9843115615876.

It is not a de Polignac number, because 6785165113489 - 2¹ = 6785165113487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6785165113489.

It is not an unprimeable number, because it can be changed into a prime (6785165113487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 662997142 + ... + 663007375.

It is an arithmetic number, because the mean of its divisors is an integer number (525097789128).

Almost surely, 2^{6785165113489} is an apocalyptic number.

It is an amenable number.

6785165113489 is a deficient number, since it is larger than the sum of its proper divisors (1616399512559).

6785165113489 is a wasteful number, since it uses less digits than its factorization.

6785165113489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326004584.

The product of its digits is 43545600, while the sum is 64.

The spelling of 6785165113489 in words is "six trillion, seven hundred eighty-five billion, one hundred sixty-five million, one hundred thirteen thousand, four hundred eighty-nine".