4338942993 has 216 divisors, whose sum is σ = 8603282688. Its totient is φ = 2095632000.

The previous prime is 4338942977. The next prime is 4338943043. The reversal of 4338942993 is 3992498334.

4338942993 is a `hidden beast` number, since 433 + 89 + 42 + 9 + 93 = 666.

It is not a de Polignac number, because 4338942993 - 2⁴ = 4338942977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4338942913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 71130183 + ... + 71130243.

Almost surely, 2^4338942993 is an apocalyptic number.

4338942993 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

4338942993 is a deficient number, since it is larger than the sum of its proper divisors (4264339695).

4338942993 is a wasteful number, since it uses less digits than its factorization.

4338942993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 156 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 54.

The square root of 4338942993 is about 65870.6535036658. The cubic root of 4338942993 is about 1631.0276171590.

The spelling of 4338942993 in words is "four billion, three hundred thirty-eight million, nine hundred forty-two thousand, nine hundred ninety-three".