634122413320552 has 16 divisors (see below), whose sum is σ = 1280439488435940. Its totient is φ = 292671883070976.

The previous prime is 634122413320507. The next prime is 634122413320559. The reversal of 634122413320552 is 255023314221436.

It can be written as a sum of positive squares in 2 ways, for example, as 515514936142116 + 118607477178436 = 22704954^2 + 10890706^2 .

It is a super-2 number, since 2×634122413320552² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 634122413320499 and 634122413320508.

It is not an unprimeable number, because it can be changed into a prime (634122413320559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3048665448553 + ... + 3048665448760.

Almost surely, 2^{634122413320552} is an apocalyptic number.

It is an amenable number.

634122413320552 is an abundant number, since it is smaller than the sum of its proper divisors (646317075115388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634122413320552 is a wasteful number, since it uses less digits than its factorization.

634122413320552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6097330897332 (or 6097330897328 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

Adding to 634122413320552 its reverse (255023314221436), we get a palindrome (889145727541988).

The spelling of 634122413320552 in words is "six hundred thirty-four trillion, one hundred twenty-two billion, four hundred thirteen million, three hundred twenty thousand, five hundred fifty-two".