6766734407441 has 2 divisors, whose sum is σ = 6766734407442. Its totient is φ = 6766734407440.

The previous prime is 6766734407437. The next prime is 6766734407519. The reversal of 6766734407441 is 1447044376676.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6136004593216 + 630729814225 = 2477096^2 + 794185^2 .

It is a cyclic number.

It is not a de Polignac number, because 6766734407441 - 2² = 6766734407437 is a prime.

It is not a weakly prime, because it can be changed into another prime (6766734407941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3383367203720 + 3383367203721.

It is an arithmetic number, because the mean of its divisors is an integer number (3383367203721).

Almost surely, 2^{6766734407441} is an apocalyptic number.

It is an amenable number.

6766734407441 is a deficient number, since it is larger than the sum of its proper divisors (1).

6766734407441 is an equidigital number, since it uses as much as digits as its factorization.

6766734407441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56899584, while the sum is 59.

The spelling of 6766734407441 in words is "six trillion, seven hundred sixty-six billion, seven hundred thirty-four million, four hundred seven thousand, four hundred forty-one".