634422640532101 has 8 divisors (see below), whose sum is σ = 656869482547200. Its totient is φ = 612013811799600.

The previous prime is 634422640532081. The next prime is 634422640532119. The reversal of 634422640532101 is 101235046224436.

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 634422640532101 - 2¹³ = 634422640523909 is a prime.

It is a super-3 number, since 3×634422640532101³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634422640532201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9503286681 + ... + 9503353438.

It is an arithmetic number, because the mean of its divisors is an integer number (82108685318400).

Almost surely, 2^{634422640532101} is an apocalyptic number.

It is an amenable number.

634422640532101 is a deficient number, since it is larger than the sum of its proper divisors (22446842015099).

634422640532101 is a wasteful number, since it uses less digits than its factorization.

634422640532101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19006641299.

The product of its (nonzero) digits is 829440, while the sum is 43.

Adding to 634422640532101 its reverse (101235046224436), we get a palindrome (735657686756537).

The spelling of 634422640532101 in words is "six hundred thirty-four trillion, four hundred twenty-two billion, six hundred forty million, five hundred thirty-two thousand, one hundred one".