634242125035067 has 2 divisors, whose sum is σ = 634242125035068. Its totient is φ = 634242125035066.

The previous prime is 634242125035031. The next prime is 634242125035109. The reversal of 634242125035067 is 760530521242436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634242125035067 - 2²⁴ = 634242108257851 is a prime.

It is not a weakly prime, because it can be changed into another prime (634242125035007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317121062517533 + 317121062517534.

It is an arithmetic number, because the mean of its divisors is an integer number (317121062517534).

Almost surely, 2^{634242125035067} is an apocalyptic number.

634242125035067 is a deficient number, since it is larger than the sum of its proper divisors (1).

634242125035067 is an equidigital number, since it uses as much as digits as its factorization.

634242125035067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 50.

The spelling of 634242125035067 in words is "six hundred thirty-four trillion, two hundred forty-two billion, one hundred twenty-five million, thirty-five thousand, sixty-seven".