4134644243 has 4 divisors (see below), whose sum is σ = 4314411408. Its totient is φ = 3954877080.

The previous prime is 4134644203. The next prime is 4134644249. The reversal of 4134644243 is 3424464314.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3424464314 = 2 ⋅1712232157.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4134644243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4134644249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89883548 + ... + 89883593.

It is an arithmetic number, because the mean of its divisors is an integer number (1078602852).

Almost surely, 2^4134644243 is an apocalyptic number.

4134644243 is a deficient number, since it is larger than the sum of its proper divisors (179767165).

4134644243 is a wasteful number, since it uses less digits than its factorization.

4134644243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179767164.

The product of its digits is 110592, while the sum is 35.

The square root of 4134644243 is about 64301.1993900580. The cubic root of 4134644243 is about 1605.0160605012.

The spelling of 4134644243 in words is "four billion, one hundred thirty-four million, six hundred forty-four thousand, two hundred forty-three".