447623888213 has 2 divisors, whose sum is σ = 447623888214. Its totient is φ = 447623888212.

The previous prime is 447623888203. The next prime is 447623888311. The reversal of 447623888213 is 312888326744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447623888209 + 4 = 669047^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 447623888213 - 2³² = 443328920917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447623888203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223811944106 + 223811944107.

It is an arithmetic number, because the mean of its divisors is an integer number (223811944107).

Almost surely, 2^447623888213 is an apocalyptic number.

It is an amenable number.

447623888213 is a deficient number, since it is larger than the sum of its proper divisors (1).

447623888213 is an equidigital number, since it uses as much as digits as its factorization.

447623888213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12386304, while the sum is 56.

The spelling of 447623888213 in words is "four hundred forty-seven billion, six hundred twenty-three million, eight hundred eighty-eight thousand, two hundred thirteen".