2805757012 has 12 divisors (see below), whose sum is σ = 4912607700. Its totient is φ = 1402154816.

The previous prime is 2805757007. The next prime is 2805757013. The reversal of 2805757012 is 2107575082.

2805757012 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 2063521476 + 742235536 = 45426^2 + 27244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805757013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172153 + ... + 187744.

It is an arithmetic number, because the mean of its divisors is an integer number (409383975).

Almost surely, 2^2805757012 is an apocalyptic number.

It is an amenable number.

2805757012 is a deficient number, since it is larger than the sum of its proper divisors (2106850688).

2805757012 is a wasteful number, since it uses less digits than its factorization.

2805757012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361850 (or 361848 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 2805757012 is about 52969.3969382322. The cubic root of 2805757012 is about 1410.4250704401.

The spelling of 2805757012 in words is "two billion, eight hundred five million, seven hundred fifty-seven thousand, twelve".