2685473514 has 80 divisors (see below), whose sum is σ = 6432592320. Its totient is φ = 835306560.

The previous prime is 2685473513. The next prime is 2685473533. The reversal of 2685473514 is 4153745862.

2685473514 is a `hidden beast` number, since 2 + 68 + 5 + 4 + 73 + 514 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2685473514.

It is not an unprimeable number, because it can be changed into a prime (2685473513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 143977 + ... + 161555.

It is an arithmetic number, because the mean of its divisors is an integer number (80407404).

Almost surely, 2^2685473514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2685473514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3216296160).

2685473514 is an abundant number, since it is smaller than the sum of its proper divisors (3747118806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2685473514 is a wasteful number, since it uses less digits than its factorization.

2685473514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17657 (or 17648 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 2685473514 is about 51821.5545309092. The cubic root of 2685473514 is about 1389.9748997417.

The spelling of 2685473514 in words is "two billion, six hundred eighty-five million, four hundred seventy-three thousand, five hundred fourteen".