2805263612 has 12 divisors (see below), whose sum is σ = 5078494680. Its totient is φ = 1354265136.

The previous prime is 2805263611. The next prime is 2805263633. The reversal of 2805263612 is 2163625082.

It is a super-2 number, since 2×2805263612² = 15739007865622573088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805263611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12091538 + ... + 12091769.

It is an arithmetic number, because the mean of its divisors is an integer number (423207890).

Almost surely, 2^2805263612 is an apocalyptic number.

It is an amenable number.

2805263612 is a deficient number, since it is larger than the sum of its proper divisors (2273231068).

2805263612 is a wasteful number, since it uses less digits than its factorization.

2805263612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24183340 (or 24183338 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 2805263612 is about 52964.7393272166. The cubic root of 2805263612 is about 1410.3423898988.

Adding to 2805263612 its reverse (2163625082), we get a palindrome (4968888694).

The spelling of 2805263612 in words is "two billion, eight hundred five million, two hundred sixty-three thousand, six hundred twelve".