6451750666073 has 2 divisors, whose sum is σ = 6451750666074. Its totient is φ = 6451750666072.

The previous prime is 6451750666033. The next prime is 6451750666093. The reversal of 6451750666073 is 3706660571546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4465432506649 + 1986318159424 = 2113157^2 + 1409368^2 .

It is a cyclic number.

It is not a de Polignac number, because 6451750666073 - 2³² = 6447455698777 is a prime.

It is not a weakly prime, because it can be changed into another prime (6451750666033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3225875333036 + 3225875333037.

It is an arithmetic number, because the mean of its divisors is an integer number (3225875333037).

Almost surely, 2^{6451750666073} is an apocalyptic number.

It is an amenable number.

6451750666073 is a deficient number, since it is larger than the sum of its proper divisors (1).

6451750666073 is an equidigital number, since it uses as much as digits as its factorization.

6451750666073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19051200, while the sum is 56.

The spelling of 6451750666073 in words is "six trillion, four hundred fifty-one billion, seven hundred fifty million, six hundred sixty-six thousand, seventy-three".