2009764236 has 48 divisors (see below), whose sum is σ = 4748559200. Its totient is φ = 661519872.

The previous prime is 2009764231. The next prime is 2009764271. The reversal of 2009764236 is 6324679002.

2009764236 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2009764194 and 2009764203.

It is not an unprimeable number, because it can be changed into a prime (2009764231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406950 + ... + 411858.

Almost surely, 2^2009764236 is an apocalyptic number.

It is an amenable number.

2009764236 is an abundant number, since it is smaller than the sum of its proper divisors (2738794964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2009764236 is a wasteful number, since it uses less digits than its factorization.

2009764236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5338 (or 5336 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 2009764236 is about 44830.3941093540. The cubic root of 2009764236 is about 1261.9680832928.

The spelling of 2009764236 in words is "two billion, nine million, seven hundred sixty-four thousand, two hundred thirty-six".