2168242743 has 32 divisors (see below), whose sum is σ = 3001593600. Its totient is φ = 1391443200.

The previous prime is 2168242733. The next prime is 2168242759. The reversal of 2168242743 is 3472428612.

It is a happy number.

It is not a de Polignac number, because 2168242743 - 2⁵ = 2168242711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168242723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4415728 + ... + 4416218.

It is an arithmetic number, because the mean of its divisors is an integer number (93799800).

Almost surely, 2^2168242743 is an apocalyptic number.

2168242743 is a deficient number, since it is larger than the sum of its proper divisors (833350857).

2168242743 is a wasteful number, since it uses less digits than its factorization.

2168242743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023.

The product of its digits is 129024, while the sum is 39.

The square root of 2168242743 is about 46564.3935104925. The cubic root of 2168242743 is about 1294.3030279059.

The spelling of 2168242743 in words is "two billion, one hundred sixty-eight million, two hundred forty-two thousand, seven hundred forty-three".