447913666271 has 2 divisors, whose sum is σ = 447913666272. Its totient is φ = 447913666270.

The previous prime is 447913666229. The next prime is 447913666283. The reversal of 447913666271 is 172666319744.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447913666271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447913666201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223956833135 + 223956833136.

It is an arithmetic number, because the mean of its divisors is an integer number (223956833136).

Almost surely, 2^447913666271 is an apocalyptic number.

447913666271 is a deficient number, since it is larger than the sum of its proper divisors (1).

447913666271 is an equidigital number, since it uses as much as digits as its factorization.

447913666271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 56.

The spelling of 447913666271 in words is "four hundred forty-seven billion, nine hundred thirteen million, six hundred sixty-six thousand, two hundred seventy-one".