451641352355257 has 2 divisors, whose sum is σ = 451641352355258. Its totient is φ = 451641352355256.

The previous prime is 451641352355251. The next prime is 451641352355383. The reversal of 451641352355257 is 752553253146154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384918855183801 + 66722497171456 = 19619349^2 + 8168384^2 .

It is a cyclic number.

It is not a de Polignac number, because 451641352355257 - 2³¹ = 451639204871609 is a prime.

It is a super-2 number, since 2×451641352355257² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (451641352355251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225820676177628 + 225820676177629.

It is an arithmetic number, because the mean of its divisors is an integer number (225820676177629).

Almost surely, 2^{451641352355257} is an apocalyptic number.

It is an amenable number.

451641352355257 is a deficient number, since it is larger than the sum of its proper divisors (1).

451641352355257 is an equidigital number, since it uses as much as digits as its factorization.

451641352355257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600000, while the sum is 58.

The spelling of 451641352355257 in words is "four hundred fifty-one trillion, six hundred forty-one billion, three hundred fifty-two million, three hundred fifty-five thousand, two hundred fifty-seven".