447566228939 has 2 divisors, whose sum is σ = 447566228940. Its totient is φ = 447566228938.

The previous prime is 447566228903. The next prime is 447566228951. The reversal of 447566228939 is 939822665744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 447566228939 - 2³⁶ = 378846752203 is a prime.

It is a super-3 number, since 3×447566228939³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (447566221939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223783114469 + 223783114470.

It is an arithmetic number, because the mean of its divisors is an integer number (223783114470).

Almost surely, 2^447566228939 is an apocalyptic number.

447566228939 is a deficient number, since it is larger than the sum of its proper divisors (1).

447566228939 is an equidigital number, since it uses as much as digits as its factorization.

447566228939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156764160, while the sum is 65.

The spelling of 447566228939 in words is "four hundred forty-seven billion, five hundred sixty-six million, two hundred twenty-eight thousand, nine hundred thirty-nine".