8534444447 has 2 divisors, whose sum is σ = 8534444448. Its totient is φ = 8534444446.

The previous prime is 8534444353. The next prime is 8534444449. The reversal of 8534444447 is 7444444358.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8534444447 - 2¹⁸ = 8534182303 is a prime.

Together with 8534444449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8534444449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4267222223 + 4267222224.

It is an arithmetic number, because the mean of its divisors is an integer number (4267222224).

Almost surely, 2^8534444447 is an apocalyptic number.

8534444447 is a deficient number, since it is larger than the sum of its proper divisors (1).

8534444447 is an equidigital number, since it uses as much as digits as its factorization.

8534444447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3440640, while the sum is 47.

The square root of 8534444447 is about 92382.0569537180. The cubic root of 8534444447 is about 2043.5805092922.

The spelling of 8534444447 in words is "eight billion, five hundred thirty-four million, four hundred forty-four thousand, four hundred forty-seven".