4323984991 has 2 divisors, whose sum is σ = 4323984992. Its totient is φ = 4323984990.

The previous prime is 4323984961. The next prime is 4323985049. The reversal of 4323984991 is 1994893234.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4323984991 - 2¹⁹ = 4323460703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4323984961) 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 as a sum of consecutive naturals, namely, 2161992495 + 2161992496.

It is an arithmetic number, because the mean of its divisors is an integer number (2161992496).

Almost surely, 2^4323984991 is an apocalyptic number.

4323984991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4323984991 is an equidigital number, since it uses as much as digits as its factorization.

4323984991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 52.

The square root of 4323984991 is about 65757.0147664871. The cubic root of 4323984991 is about 1629.1511998386.

The spelling of 4323984991 in words is "four billion, three hundred twenty-three million, nine hundred eighty-four thousand, nine hundred ninety-one".