634136056260073 has 2 divisors, whose sum is σ = 634136056260074. Its totient is φ = 634136056260072.

The previous prime is 634136056259969. The next prime is 634136056260127. The reversal of 634136056260073 is 370062650631436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 614045822882704 + 20090233377369 = 24779948^2 + 4482213^2 .

It is a cyclic number.

It is not a de Polignac number, because 634136056260073 - 2⁴⁹ = 71186102838761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 634136056260073.

It is not a weakly prime, because it can be changed into another prime (634136056260373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317068028130036 + 317068028130037.

It is an arithmetic number, because the mean of its divisors is an integer number (317068028130037).

Almost surely, 2^{634136056260073} is an apocalyptic number.

It is an amenable number.

634136056260073 is a deficient number, since it is larger than the sum of its proper divisors (1).

634136056260073 is an equidigital number, since it uses as much as digits as its factorization.

634136056260073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 52.

The spelling of 634136056260073 in words is "six hundred thirty-four trillion, one hundred thirty-six billion, fifty-six million, two hundred sixty thousand, seventy-three".