6665324457941 has 2 divisors, whose sum is σ = 6665324457942. Its totient is φ = 6665324457940.

The previous prime is 6665324457899. The next prime is 6665324458021. The reversal of 6665324457941 is 1497544235666.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6662954812900 + 2369645041 = 2581270^2 + 48679^2 .

It is a cyclic number.

It is not a de Polignac number, because 6665324457941 - 2¹⁸ = 6665324195797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6665324457041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3332662228970 + 3332662228971.

It is an arithmetic number, because the mean of its divisors is an integer number (3332662228971).

Almost surely, 2^{6665324457941} is an apocalyptic number.

It is an amenable number.

6665324457941 is a deficient number, since it is larger than the sum of its proper divisors (1).

6665324457941 is an equidigital number, since it uses as much as digits as its factorization.

6665324457941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 130636800, while the sum is 62.

The spelling of 6665324457941 in words is "six trillion, six hundred sixty-five billion, three hundred twenty-four million, four hundred fifty-seven thousand, nine hundred forty-one".