634426242362443 has 8 divisors (see below), whose sum is σ = 665627532972416. Its totient is φ = 603895947249600.

The previous prime is 634426242362359. The next prime is 634426242362447. The reversal of 634426242362443 is 344263242624436.

634426242362443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 634426242362443 - 2¹³ = 634426242354251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634426242362447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167748872346 + ... + 167748876127.

It is an arithmetic number, because the mean of its divisors is an integer number (83203441621552).

Almost surely, 2^{634426242362443} is an apocalyptic number.

634426242362443 is a deficient number, since it is larger than the sum of its proper divisors (31201290609973).

634426242362443 is a wasteful number, since it uses less digits than its factorization.

634426242362443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335497748565.

The product of its digits is 95551488, while the sum is 55.

Adding to 634426242362443 its reverse (344263242624436), we get a palindrome (978689484986879).

The spelling of 634426242362443 in words is "six hundred thirty-four trillion, four hundred twenty-six billion, two hundred forty-two million, three hundred sixty-two thousand, four hundred forty-three".