4338000643 has 2 divisors, whose sum is σ = 4338000644. Its totient is φ = 4338000642.

The previous prime is 4338000617. The next prime is 4338000647. The reversal of 4338000643 is 3460008334.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4338000643 - 2²¹ = 4335903491 is a prime.

It is not a weakly prime, because it can be changed into another prime (4338000647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2169000321 + 2169000322.

It is an arithmetic number, because the mean of its divisors is an integer number (2169000322).

Almost surely, 2^4338000643 is an apocalyptic number.

4338000643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4338000643 is an equidigital number, since it uses as much as digits as its factorization.

4338000643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 4338000643 is about 65863.5000816082. The cubic root of 4338000643 is about 1630.9095307832.

Adding to 4338000643 its reverse (3460008334), we get a palindrome (7798008977).

The spelling of 4338000643 in words is "four billion, three hundred thirty-eight million, six hundred forty-three", and thus it is an aban number.