634426241362163 has 2 divisors, whose sum is σ = 634426241362164. Its totient is φ = 634426241362162.

The previous prime is 634426241362141. The next prime is 634426241362201. The reversal of 634426241362163 is 361263142624436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634426241362163 - 2¹² = 634426241358067 is a prime.

It is not a weakly prime, because it can be changed into another prime (634426261362163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317213120681081 + 317213120681082.

It is an arithmetic number, because the mean of its divisors is an integer number (317213120681082).

Almost surely, 2^{634426241362163} is an apocalyptic number.

634426241362163 is a deficient number, since it is larger than the sum of its proper divisors (1).

634426241362163 is an equidigital number, since it uses as much as digits as its factorization.

634426241362163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17915904, while the sum is 53.

Adding to 634426241362163 its reverse (361263142624436), we get a palindrome (995689383986599).

The spelling of 634426241362163 in words is "six hundred thirty-four trillion, four hundred twenty-six billion, two hundred forty-one million, three hundred sixty-two thousand, one hundred sixty-three".