2036851209 has 12 divisors (see below), whose sum is σ = 3115184436. Its totient is φ = 1278024192.

The previous prime is 2036851189. The next prime is 2036851217. The reversal of 2036851209 is 9021586302.

It can be written as a sum of positive squares in 2 ways, for example, as 1779152400 + 257698809 = 42180^2 + 16053^2 .

It is not a de Polignac number, because 2036851209 - 2²⁹ = 1499980297 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2036851409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6656224 + ... + 6656529.

It is an arithmetic number, because the mean of its divisors is an integer number (259598703).

Almost surely, 2^2036851209 is an apocalyptic number.

It is an amenable number.

2036851209 is a deficient number, since it is larger than the sum of its proper divisors (1078333227).

2036851209 is a wasteful number, since it uses less digits than its factorization.

2036851209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13312776 (or 13312773 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2036851209 is about 45131.4879989570. The cubic root of 2036851209 is about 1267.6122720712.

The spelling of 2036851209 in words is "two billion, thirty-six million, eight hundred fifty-one thousand, two hundred nine".