6454547447 has 2 divisors, whose sum is σ = 6454547448. Its totient is φ = 6454547446.

The previous prime is 6454547413. The next prime is 6454547497. The reversal of 6454547447 is 7447454546.

It is an a-pointer prime, because the next prime (6454547497) can be obtained adding 6454547447 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6454547447 - 2¹⁴ = 6454531063 is a prime.

It is a super-2 number, since 2×6454547447² = 83322365491148435618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6454547395 and 6454547404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6454547497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227273723 + 3227273724.

It is an arithmetic number, because the mean of its divisors is an integer number (3227273724).

Almost surely, 2^6454547447 is an apocalyptic number.

6454547447 is a deficient number, since it is larger than the sum of its proper divisors (1).

6454547447 is an equidigital number, since it uses as much as digits as its factorization.

6454547447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7526400, while the sum is 50.

The square root of 6454547447 is about 80340.1982011496. The cubic root of 6454547447 is about 1861.8953438739.

The spelling of 6454547447 in words is "six billion, four hundred fifty-four million, five hundred forty-seven thousand, four hundred forty-seven".