28605633443 has 2 divisors, whose sum is σ = 28605633444. Its totient is φ = 28605633442.

The previous prime is 28605633401. The next prime is 28605633467. The reversal of 28605633443 is 34433650682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28605633443 - 2⁸ = 28605633187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28605633394 and 28605633403.

It is not a weakly prime, because it can be changed into another prime (28605633643) 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, 14302816721 + 14302816722.

It is an arithmetic number, because the mean of its divisors is an integer number (14302816722).

Almost surely, 2^28605633443 is an apocalyptic number.

28605633443 is a deficient number, since it is larger than the sum of its proper divisors (1).

28605633443 is an equidigital number, since it uses as much as digits as its factorization.

28605633443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 28605633443 in words is "twenty-eight billion, six hundred five million, six hundred thirty-three thousand, four hundred forty-three".