6667351441 has 2 divisors, whose sum is σ = 6667351442. Its totient is φ = 6667351440.

The previous prime is 6667351391. The next prime is 6667351447. The reversal of 6667351441 is 1441537666.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6647956225 + 19395216 = 81535^2 + 4404^2 .

It is a cyclic number.

It is not a de Polignac number, because 6667351441 - 2²⁹ = 6130480529 is a prime.

It is not a weakly prime, because it can be changed into another prime (6667351447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333675720 + 3333675721.

It is an arithmetic number, because the mean of its divisors is an integer number (3333675721).

Almost surely, 2^6667351441 is an apocalyptic number.

It is an amenable number.

6667351441 is a deficient number, since it is larger than the sum of its proper divisors (1).

6667351441 is an equidigital number, since it uses as much as digits as its factorization.

6667351441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 6667351441 is about 81653.8513543605. The cubic root of 6667351441 is about 1882.1364952878.

The spelling of 6667351441 in words is "six billion, six hundred sixty-seven million, three hundred fifty-one thousand, four hundred forty-one".