445434560647 has 2 divisors, whose sum is σ = 445434560648. Its totient is φ = 445434560646.

The previous prime is 445434560629. The next prime is 445434560723. The reversal of 445434560647 is 746065434544.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445434560647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445434560594 and 445434560603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445434560147) 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, 222717280323 + 222717280324.

It is an arithmetic number, because the mean of its divisors is an integer number (222717280324).

Almost surely, 2^445434560647 is an apocalyptic number.

445434560647 is a deficient number, since it is larger than the sum of its proper divisors (1).

445434560647 is an equidigital number, since it uses as much as digits as its factorization.

445434560647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19353600, while the sum is 52.

The spelling of 445434560647 in words is "four hundred forty-five billion, four hundred thirty-four million, five hundred sixty thousand, six hundred forty-seven".