2785366053 has 12 divisors (see below), whose sum is σ = 4060219020. Its totient is φ = 1839874176.

The previous prime is 2785366049. The next prime is 2785366093. The reversal of 2785366053 is 3506635872.

2785366053 is a `hidden beast` number, since 2 + 7 + 8 + 5 + 36 + 605 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1721171169 + 1064194884 = 41487^2 + 32622^2 .

It is not a de Polignac number, because 2785366053 - 2² = 2785366049 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2785366013) 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 11 ways as a sum of consecutive naturals, for example, 1418676 + ... + 1420637.

It is an arithmetic number, because the mean of its divisors is an integer number (338351585).

Almost surely, 2^2785366053 is an apocalyptic number.

It is an amenable number.

2785366053 is a deficient number, since it is larger than the sum of its proper divisors (1274852967).

2785366053 is a wasteful number, since it uses less digits than its factorization.

2785366053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839428 (or 2839425 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 2785366053 is about 52776.5672718490. The cubic root of 2785366053 is about 1406.9999848458. Note that the first 4 decimals are identical.

The spelling of 2785366053 in words is "two billion, seven hundred eighty-five million, three hundred sixty-six thousand, fifty-three".