446513211649 has 2 divisors, whose sum is σ = 446513211650. Its totient is φ = 446513211648.

The previous prime is 446513211589. The next prime is 446513211719. The reversal of 446513211649 is 946112315644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 446133156624 + 380055025 = 667932^2 + 19495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-446513211649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 446513211599 and 446513211608.

It is not a weakly prime, because it can be changed into another prime (446513281649) 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, 223256605824 + 223256605825.

It is an arithmetic number, because the mean of its divisors is an integer number (223256605825).

Almost surely, 2^446513211649 is an apocalyptic number.

It is an amenable number.

446513211649 is a deficient number, since it is larger than the sum of its proper divisors (1).

446513211649 is an equidigital number, since it uses as much as digits as its factorization.

446513211649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The spelling of 446513211649 in words is "four hundred forty-six billion, five hundred thirteen million, two hundred eleven thousand, six hundred forty-nine".