447485134961 has 2 divisors, whose sum is σ = 447485134962. Its totient is φ = 447485134960.

The previous prime is 447485134951. The next prime is 447485134979. The reversal of 447485134961 is 169431584744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 431279844961 + 16205290000 = 656719^2 + 127300^2 .

It is a cyclic number.

It is not a de Polignac number, because 447485134961 - 2³⁰ = 446411393137 is a prime.

It is a super-2 number, since 2×447485134961² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 447485134897 and 447485134906.

It is not a weakly prime, because it can be changed into another prime (447485134931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223742567480 + 223742567481.

It is an arithmetic number, because the mean of its divisors is an integer number (223742567481).

Almost surely, 2^447485134961 is an apocalyptic number.

It is an amenable number.

447485134961 is a deficient number, since it is larger than the sum of its proper divisors (1).

447485134961 is an equidigital number, since it uses as much as digits as its factorization.

447485134961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 56.

The spelling of 447485134961 in words is "four hundred forty-seven billion, four hundred eighty-five million, one hundred thirty-four thousand, nine hundred sixty-one".