447084726457 has 2 divisors, whose sum is σ = 447084726458. Its totient is φ = 447084726456.

The previous prime is 447084726433. The next prime is 447084726521. The reversal of 447084726457 is 754627480744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229652766841 + 217431959616 = 479221^2 + 466296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447084726457 is a prime.

It is a super-2 number, since 2×447084726457² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (447084426457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223542363228 + 223542363229.

It is an arithmetic number, because the mean of its divisors is an integer number (223542363229).

Almost surely, 2^447084726457 is an apocalyptic number.

It is an amenable number.

447084726457 is a deficient number, since it is larger than the sum of its proper divisors (1).

447084726457 is an equidigital number, since it uses as much as digits as its factorization.

447084726457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42147840, while the sum is 58.

The spelling of 447084726457 in words is "four hundred forty-seven billion, eighty-four million, seven hundred twenty-six thousand, four hundred fifty-seven".