447005822453 has 2 divisors, whose sum is σ = 447005822454. Its totient is φ = 447005822452.

The previous prime is 447005822447. The next prime is 447005822479. The reversal of 447005822453 is 354228500744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 435808584964 + 11197237489 = 660158^2 + 105817^2 .

It is a cyclic number.

It is not a de Polignac number, because 447005822453 - 2¹⁴ = 447005806069 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447005822443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223502911226 + 223502911227.

It is an arithmetic number, because the mean of its divisors is an integer number (223502911227).

Almost surely, 2^447005822453 is an apocalyptic number.

It is an amenable number.

447005822453 is a deficient number, since it is larger than the sum of its proper divisors (1).

447005822453 is an equidigital number, since it uses as much as digits as its factorization.

447005822453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1075200, while the sum is 44.

The spelling of 447005822453 in words is "four hundred forty-seven billion, five million, eight hundred twenty-two thousand, four hundred fifty-three".