2814926985 has 40 divisors (see below), whose sum is σ = 5434182600. Its totient is φ = 1385807616.

The previous prime is 2814926981. The next prime is 2814926987. The reversal of 2814926985 is 5896294182.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 135001161 + 2679925824 = 11619^2 + 51768^2 .

It is not a de Polignac number, because 2814926985 - 2² = 2814926981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2814926981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 262060 + ... + 272589.

It is an arithmetic number, because the mean of its divisors is an integer number (135854565).

Almost surely, 2^2814926985 is an apocalyptic number.

It is an amenable number.

2814926985 is a deficient number, since it is larger than the sum of its proper divisors (2619255615).

2814926985 is a wasteful number, since it uses less digits than its factorization.

2814926985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534679 (or 534670 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 2814926985 is about 53055.8854887938. The cubic root of 2814926985 is about 1411.9599497571.

The spelling of 2814926985 in words is "two billion, eight hundred fourteen million, nine hundred twenty-six thousand, nine hundred eighty-five".