634253210497 has 2 divisors, whose sum is σ = 634253210498. Its totient is φ = 634253210496.

The previous prime is 634253210483. The next prime is 634253210629. The reversal of 634253210497 is 794012352436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360547407936 + 273705802561 = 600456^2 + 523169^2 .

It is a cyclic number.

It is not a de Polignac number, because 634253210497 - 2¹⁵ = 634253177729 is a prime.

It is not a weakly prime, because it can be changed into another prime (634253210417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317126605248 + 317126605249.

It is an arithmetic number, because the mean of its divisors is an integer number (317126605249).

Almost surely, 2^634253210497 is an apocalyptic number.

It is an amenable number.

634253210497 is a deficient number, since it is larger than the sum of its proper divisors (1).

634253210497 is an equidigital number, since it uses as much as digits as its factorization.

634253210497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 634253210497 in words is "six hundred thirty-four billion, two hundred fifty-three million, two hundred ten thousand, four hundred ninety-seven".