9428596643 has 2 divisors, whose sum is σ = 9428596644. Its totient is φ = 9428596642.

The previous prime is 9428596631. The next prime is 9428596673. The reversal of 9428596643 is 3466958249.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3466958249) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9428596643 - 2⁶ = 9428596579 is a prime.

It is not a weakly prime, because it can be changed into another prime (9428596673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4714298321 + 4714298322.

It is an arithmetic number, because the mean of its divisors is an integer number (4714298322).

Almost surely, 2^9428596643 is an apocalyptic number.

9428596643 is a deficient number, since it is larger than the sum of its proper divisors (1).

9428596643 is an equidigital number, since it uses as much as digits as its factorization.

9428596643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11197440, while the sum is 56.

The square root of 9428596643 is about 97100.9610817524. The cubic root of 9428596643 is about 2112.5922664928.

The spelling of 9428596643 in words is "nine billion, four hundred twenty-eight million, five hundred ninety-six thousand, six hundred forty-three".