4133989823 has 4 divisors (see below), whose sum is σ = 4136563920. Its totient is φ = 4131415728.

The previous prime is 4133989819. The next prime is 4133989831. The reversal of 4133989823 is 3289893314.

It is a happy number.

4133989823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3289893314 = 2 ⋅1644946657.

It is a cyclic number.

It is not a de Polignac number, because 4133989823 - 2² = 4133989819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4133989523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284638 + ... + 1287851.

It is an arithmetic number, because the mean of its divisors is an integer number (1034140980).

Almost surely, 2^4133989823 is an apocalyptic number.

4133989823 is a deficient number, since it is larger than the sum of its proper divisors (2574097).

4133989823 is a wasteful number, since it uses less digits than its factorization.

4133989823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574096.

The product of its digits is 1119744, while the sum is 50.

The square root of 4133989823 is about 64296.1104811170. The cubic root of 4133989823 is about 1604.9313768727.

The spelling of 4133989823 in words is "four billion, one hundred thirty-three million, nine hundred eighty-nine thousand, eight hundred twenty-three".