68244530547652 has 24 divisors (see below), whose sum is σ = 120734135465720. Its totient is φ = 33749500538880.

The previous prime is 68244530547593. The next prime is 68244530547689. The reversal of 68244530547652 is 25674503544286.

It can be written as a sum of positive squares in 4 ways, for example, as 22078946982976 + 46165583564676 = 4698824^2 + 6794526^2 .

It is a super-3 number, since 3×68244530547652³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 54033249 + ... + 55281832.

Almost surely, 2^{68244530547652} is an apocalyptic number.

It is an amenable number.

68244530547652 is a deficient number, since it is larger than the sum of its proper divisors (52489604918068).

68244530547652 is a wasteful number, since it uses less digits than its factorization.

68244530547652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109316791 (or 109316789 counting only the distinct ones).

The product of its (nonzero) digits is 193536000, while the sum is 61.

The spelling of 68244530547652 in words is "sixty-eight trillion, two hundred forty-four billion, five hundred thirty million, five hundred forty-seven thousand, six hundred fifty-two".