56628943339 has 2 divisors, whose sum is σ = 56628943340. Its totient is φ = 56628943338.

The previous prime is 56628943289. The next prime is 56628943363. The reversal of 56628943339 is 93334982665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56628943339 - 2¹⁷ = 56628812267 is a prime.

It is not a weakly prime, because it can be changed into another prime (56628943369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28314471669 + 28314471670.

It is an arithmetic number, because the mean of its divisors is an integer number (28314471670).

Almost surely, 2^56628943339 is an apocalyptic number.

56628943339 is a deficient number, since it is larger than the sum of its proper divisors (1).

56628943339 is an equidigital number, since it uses as much as digits as its factorization.

56628943339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25194240, while the sum is 58.

The spelling of 56628943339 in words is "fifty-six billion, six hundred twenty-eight million, nine hundred forty-three thousand, three hundred thirty-nine".