2769236816 has 20 divisors (see below), whose sum is σ = 5386780224. Its totient is φ = 1379100000.

The previous prime is 2769236779. The next prime is 2769236819. The reversal of 2769236816 is 6186329672.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2769236819) 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, 340760 + ... + 348791.

Almost surely, 2^2769236816 is an apocalyptic number.

It is an amenable number.

2769236816 is a deficient number, since it is larger than the sum of its proper divisors (2617543408).

2769236816 is a wasteful number, since it uses less digits than its factorization.

2769236816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689810 (or 689804 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 2769236816 is about 52623.5386115377. The cubic root of 2769236816 is about 1404.2788844354.

The spelling of 2769236816 in words is "two billion, seven hundred sixty-nine million, two hundred thirty-six thousand, eight hundred sixteen".