426661616210597 has 2 divisors, whose sum is σ = 426661616210598. Its totient is φ = 426661616210596.

The previous prime is 426661616210579. The next prime is 426661616210693. The reversal of 426661616210597 is 795012616166624.

It is a happy number.

Together with previous prime (426661616210579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 380721226902241 + 45940389308356 = 19512079^2 + 6777934^2 .

It is a cyclic number.

It is not a de Polignac number, because 426661616210597 - 2⁸ = 426661616210341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426661616218597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213330808105298 + 213330808105299.

It is an arithmetic number, because the mean of its divisors is an integer number (213330808105299).

Almost surely, 2^{426661616210597} is an apocalyptic number.

It is an amenable number.

426661616210597 is a deficient number, since it is larger than the sum of its proper divisors (1).

426661616210597 is an equidigital number, since it uses as much as digits as its factorization.

426661616210597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 426661616210597 in words is "four hundred twenty-six trillion, six hundred sixty-one billion, six hundred sixteen million, two hundred ten thousand, five hundred ninety-seven".