2810728485 has 16 divisors (see below), whose sum is σ = 4996850880. Its totient is φ = 1499055120.

The previous prime is 2810728477. The next prime is 2810728493. The reversal of 2810728485 is 5848270182.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2810728477) and next prime (2810728493).

It is not a de Polignac number, because 2810728485 - 2³ = 2810728477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2810728485.

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, 10409971 + ... + 10410240.

It is an arithmetic number, because the mean of its divisors is an integer number (312303180).

Almost surely, 2^2810728485 is an apocalyptic number.

It is an amenable number.

2810728485 is a deficient number, since it is larger than the sum of its proper divisors (2186122395).

2810728485 is a wasteful number, since it uses less digits than its factorization.

2810728485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20820225 (or 20820219 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The square root of 2810728485 is about 53016.3039545384. The cubic root of 2810728485 is about 1411.2576149527.

The spelling of 2810728485 in words is "two billion, eight hundred ten million, seven hundred twenty-eight thousand, four hundred eighty-five".