662443344313 has 2 divisors, whose sum is σ = 662443344314. Its totient is φ = 662443344312.

The previous prime is 662443344257. The next prime is 662443344319. The reversal of 662443344313 is 313443344266.

662443344313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 532145447289 + 130297897024 = 729483^2 + 360968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-662443344313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 662443344313.

It is not a weakly prime, because it can be changed into another prime (662443344319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331221672156 + 331221672157.

It is an arithmetic number, because the mean of its divisors is an integer number (331221672157).

Almost surely, 2^662443344313 is an apocalyptic number.

It is an amenable number.

662443344313 is a deficient number, since it is larger than the sum of its proper divisors (1).

662443344313 is an equidigital number, since it uses as much as digits as its factorization.

662443344313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 43.

Adding to 662443344313 its reverse (313443344266), we get a palindrome (975886688579).

The spelling of 662443344313 in words is "six hundred sixty-two billion, four hundred forty-three million, three hundred forty-four thousand, three hundred thirteen".