2684868085 has 12 divisors (see below), whose sum is σ = 3368015532. Its totient is φ = 2054505728.

The previous prime is 2684868083. The next prime is 2684868097. The reversal of 2684868085 is 5808684862.

2684868085 is digitally balanced in base 2, 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 2 ways, for example, as 2078083396 + 606784689 = 45586^2 + 24633^2 .

It is not a de Polignac number, because 2684868085 - 2¹ = 2684868083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684868083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 504892 + ... + 510181.

It is an arithmetic number, because the mean of its divisors is an integer number (280667961).

Almost surely, 2^2684868085 is an apocalyptic number.

It is an amenable number.

2684868085 is a deficient number, since it is larger than the sum of its proper divisors (683147447).

2684868085 is a wasteful number, since it uses less digits than its factorization.

2684868085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015124 (or 1015101 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 55.

The square root of 2684868085 is about 51815.7127230727. The cubic root of 2684868085 is about 1389.8704371758.

The spelling of 2684868085 in words is "two billion, six hundred eighty-four million, eight hundred sixty-eight thousand, eighty-five".