4133431243 has 4 divisors (see below), whose sum is σ = 4140595480. Its totient is φ = 4126267008.

The previous prime is 4133431213. The next prime is 4133431249. The reversal of 4133431243 is 3421343314.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4133431243 - 2⁹ = 4133430731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4133431249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3581253 + ... + 3582406.

It is an arithmetic number, because the mean of its divisors is an integer number (1035148870).

Almost surely, 2^4133431243 is an apocalyptic number.

4133431243 is a deficient number, since it is larger than the sum of its proper divisors (7164237).

4133431243 is an equidigital number, since it uses as much as digits as its factorization.

4133431243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7164236.

The product of its digits is 10368, while the sum is 28.

The square root of 4133431243 is about 64291.7665257380. The cubic root of 4133431243 is about 1604.8590881164.

Adding to 4133431243 its reverse (3421343314), we get a palindrome (7554774557).

The spelling of 4133431243 in words is "four billion, one hundred thirty-three million, four hundred thirty-one thousand, two hundred forty-three".