229366403993 has 2 divisors, whose sum is σ = 229366403994. Its totient is φ = 229366403992.

The previous prime is 229366403977. The next prime is 229366404067. The reversal of 229366403993 is 399304663922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176578124944 + 52788279049 = 420212^2 + 229757^2 .

It is a cyclic number.

It is not a de Polignac number, because 229366403993 - 2⁴ = 229366403977 is a prime.

It is not a weakly prime, because it can be changed into another prime (229366403933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114683201996 + 114683201997.

It is an arithmetic number, because the mean of its divisors is an integer number (114683201997).

Almost surely, 2^229366403993 is an apocalyptic number.

It is an amenable number.

229366403993 is a deficient number, since it is larger than the sum of its proper divisors (1).

229366403993 is an equidigital number, since it uses as much as digits as its factorization.

229366403993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11337408, while the sum is 56.

The spelling of 229366403993 in words is "two hundred twenty-nine billion, three hundred sixty-six million, four hundred three thousand, nine hundred ninety-three".