634426241362093 has 2 divisors, whose sum is σ = 634426241362094. Its totient is φ = 634426241362092.

The previous prime is 634426241362087. The next prime is 634426241362141. The reversal of 634426241362093 is 390263142624436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605001930723369 + 29424310638724 = 24596787^2 + 5424418^2 .

It is a cyclic number.

It is not a de Polignac number, because 634426241362093 - 2⁹ = 634426241361581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634426241362993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317213120681046 + 317213120681047.

It is an arithmetic number, because the mean of its divisors is an integer number (317213120681047).

Almost surely, 2^{634426241362093} is an apocalyptic number.

It is an amenable number.

634426241362093 is a deficient number, since it is larger than the sum of its proper divisors (1).

634426241362093 is an equidigital number, since it uses as much as digits as its factorization.

634426241362093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26873856, while the sum is 55.

The spelling of 634426241362093 in words is "six hundred thirty-four trillion, four hundred twenty-six billion, two hundred forty-one million, three hundred sixty-two thousand, ninety-three".