2849744689 has 27 divisors (see below), whose sum is σ = 3290067417. Its totient is φ = 2466294600.

The previous prime is 2849744683. The next prime is 2849744693. The reversal of 2849744689 is 9864479482.

The square root of 2849744689 is 53383.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2849744689 - 2¹⁷ = 2849613617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2849744683) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13505794 + ... + 13506004.

Almost surely, 2^2849744689 is an apocalyptic number.

2849744689 is the 53383-rd square number.

2849744689 is the 26692-nd centered octagonal number.

It is an amenable number.

2849744689 is a deficient number, since it is larger than the sum of its proper divisors (440322728).

2849744689 is an equidigital number, since it uses as much as digits as its factorization.

2849744689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 245 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 61.

The cubic root of 2849744689 is about 1417.7576009206.

The spelling of 2849744689 in words is "two billion, eight hundred forty-nine million, seven hundred forty-four thousand, six hundred eighty-nine".