451643617264313 has 2 divisors, whose sum is σ = 451643617264314. Its totient is φ = 451643617264312.

The previous prime is 451643617264283. The next prime is 451643617264361. The reversal of 451643617264313 is 313462716346154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445491391848889 + 6152225415424 = 21106667^2 + 2480368^2 .

It is a cyclic number.

It is not a de Polignac number, because 451643617264313 - 2¹⁴ = 451643617247929 is a prime.

It is not a weakly prime, because it can be changed into another prime (451643617264363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225821808632156 + 225821808632157.

It is an arithmetic number, because the mean of its divisors is an integer number (225821808632157).

Almost surely, 2^{451643617264313} is an apocalyptic number.

It is an amenable number.

451643617264313 is a deficient number, since it is larger than the sum of its proper divisors (1).

451643617264313 is an equidigital number, since it uses as much as digits as its factorization.

451643617264313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 56.

The spelling of 451643617264313 in words is "four hundred fifty-one trillion, six hundred forty-three billion, six hundred seventeen million, two hundred sixty-four thousand, three hundred thirteen".