634260445059893 has 2 divisors, whose sum is σ = 634260445059894. Its totient is φ = 634260445059892.

The previous prime is 634260445059863. The next prime is 634260445059919. The reversal of 634260445059893 is 398950544062436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 489202075475569 + 145058369584324 = 22117913^2 + 12044018^2 .

It is a cyclic number.

It is not a de Polignac number, because 634260445059893 - 2²⁶ = 634260377951029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634260445059863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317130222529946 + 317130222529947.

It is an arithmetic number, because the mean of its divisors is an integer number (317130222529947).

Almost surely, 2^{634260445059893} is an apocalyptic number.

It is an amenable number.

634260445059893 is a deficient number, since it is larger than the sum of its proper divisors (1).

634260445059893 is an equidigital number, since it uses as much as digits as its factorization.

634260445059893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 671846400, while the sum is 68.

The spelling of 634260445059893 in words is "six hundred thirty-four trillion, two hundred sixty billion, four hundred forty-five million, fifty-nine thousand, eight hundred ninety-three".