447386510819 has 2 divisors, whose sum is σ = 447386510820. Its totient is φ = 447386510818.

The previous prime is 447386510789. The next prime is 447386510833. The reversal of 447386510819 is 918015683744.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 447386510819 - 2⁸ = 447386510563 is a prime.

It is a super-2 number, since 2×447386510819² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (447386510119) 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, 223693255409 + 223693255410.

It is an arithmetic number, because the mean of its divisors is an integer number (223693255410).

Almost surely, 2^447386510819 is an apocalyptic number.

447386510819 is a deficient number, since it is larger than the sum of its proper divisors (1).

447386510819 is an equidigital number, since it uses as much as digits as its factorization.

447386510819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 447386510819 in words is "four hundred forty-seven billion, three hundred eighty-six million, five hundred ten thousand, eight hundred nineteen".