6466822541 has 2 divisors, whose sum is σ = 6466822542. Its totient is φ = 6466822540.

The previous prime is 6466822477. The next prime is 6466822547. The reversal of 6466822541 is 1452286646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5507124100 + 959698441 = 74210^2 + 30979^2 .

It is a cyclic number.

It is not a de Polignac number, because 6466822541 - 2⁶ = 6466822477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6466822492 and 6466822501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6466822547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3233411270 + 3233411271.

It is an arithmetic number, because the mean of its divisors is an integer number (3233411271).

Almost surely, 2^6466822541 is an apocalyptic number.

It is an amenable number.

6466822541 is a deficient number, since it is larger than the sum of its proper divisors (1).

6466822541 is an equidigital number, since it uses as much as digits as its factorization.

6466822541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 44.

The square root of 6466822541 is about 80416.5563861075. The cubic root of 6466822541 is about 1863.0748981611.

The spelling of 6466822541 in words is "six billion, four hundred sixty-six million, eight hundred twenty-two thousand, five hundred forty-one".