447485135453 has 2 divisors, whose sum is σ = 447485135454. Its totient is φ = 447485135452.

The previous prime is 447485135429. The next prime is 447485135467. The reversal of 447485135453 is 354531584744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 424736351524 + 22748783929 = 651718^2 + 150827^2 .

It is a cyclic number.

It is not a de Polignac number, because 447485135453 - 2¹⁶ = 447485069917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447485135395 and 447485135404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447485135953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223742567726 + 223742567727.

It is an arithmetic number, because the mean of its divisors is an integer number (223742567727).

Almost surely, 2^447485135453 is an apocalyptic number.

It is an amenable number.

447485135453 is a deficient number, since it is larger than the sum of its proper divisors (1).

447485135453 is an equidigital number, since it uses as much as digits as its factorization.

447485135453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128000, while the sum is 53.

The spelling of 447485135453 in words is "four hundred forty-seven billion, four hundred eighty-five million, one hundred thirty-five thousand, four hundred fifty-three".