2743742169 has 24 divisors (see below), whose sum is σ = 4536484992. Its totient is φ = 1565383680.

The previous prime is 2743742161. The next prime is 2743742179. The reversal of 2743742169 is 9612473472.

2743742169 is a `hidden beast` number, since 274 + 374 + 2 + 1 + 6 + 9 = 666.

2743742169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2743742169 - 2³ = 2743742161 is a prime.

It is a super-2 number, since 2×2743742169² = 15056242179897649122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2743742161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6412 + ... + 74354.

It is an arithmetic number, because the mean of its divisors is an integer number (189020208).

Almost surely, 2^2743742169 is an apocalyptic number.

It is an amenable number.

2743742169 is a deficient number, since it is larger than the sum of its proper divisors (1792742823).

2743742169 is a wasteful number, since it uses less digits than its factorization.

2743742169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68597 (or 68594 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 2743742169 is about 52380.7423486915. The cubic root of 2743742169 is about 1399.9561498170.

The spelling of 2743742169 in words is "two billion, seven hundred forty-three million, seven hundred forty-two thousand, one hundred sixty-nine".