662623766297 has 2 divisors, whose sum is σ = 662623766298. Its totient is φ = 662623766296.

The previous prime is 662623766221. The next prime is 662623766323. The reversal of 662623766297 is 792667326266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 622869786841 + 39753979456 = 789221^2 + 199384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-662623766297 is a prime.

It is not a weakly prime, because it can be changed into another prime (662623796297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331311883148 + 331311883149.

It is an arithmetic number, because the mean of its divisors is an integer number (331311883149).

Almost surely, 2^662623766297 is an apocalyptic number.

It is an amenable number.

662623766297 is a deficient number, since it is larger than the sum of its proper divisors (1).

662623766297 is an equidigital number, since it uses as much as digits as its factorization.

662623766297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82301184, while the sum is 62.

The spelling of 662623766297 in words is "six hundred sixty-two billion, six hundred twenty-three million, seven hundred sixty-six thousand, two hundred ninety-seven".