447655366349 has 2 divisors, whose sum is σ = 447655366350. Its totient is φ = 447655366348.

The previous prime is 447655366339. The next prime is 447655366481. The reversal of 447655366349 is 943663556744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328664863849 + 118990502500 = 573293^2 + 344950^2 .

It is a cyclic number.

It is not a de Polignac number, because 447655366349 - 2²⁴ = 447638589133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447655366291 and 447655366300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447655366339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223827683174 + 223827683175.

It is an arithmetic number, because the mean of its divisors is an integer number (223827683175).

Almost surely, 2^447655366349 is an apocalyptic number.

It is an amenable number.

447655366349 is a deficient number, since it is larger than the sum of its proper divisors (1).

447655366349 is an equidigital number, since it uses as much as digits as its factorization.

447655366349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 195955200, while the sum is 62.

The spelling of 447655366349 in words is "four hundred forty-seven billion, six hundred fifty-five million, three hundred sixty-six thousand, three hundred forty-nine".