6671225447 has 2 divisors, whose sum is σ = 6671225448. Its totient is φ = 6671225446.

The previous prime is 6671225423. The next prime is 6671225461. The reversal of 6671225447 is 7445221766.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6671225447 - 2⁶ = 6671225383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6671225398 and 6671225407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6671225747) 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, 3335612723 + 3335612724.

It is an arithmetic number, because the mean of its divisors is an integer number (3335612724).

Almost surely, 2^6671225447 is an apocalyptic number.

6671225447 is a deficient number, since it is larger than the sum of its proper divisors (1).

6671225447 is an equidigital number, since it uses as much as digits as its factorization.

6671225447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 44.

The square root of 6671225447 is about 81677.5700360876. The cubic root of 6671225447 is about 1882.5009576680.

The spelling of 6671225447 in words is "six billion, six hundred seventy-one million, two hundred twenty-five thousand, four hundred forty-seven".