68843549652 has 48 divisors (see below), whose sum is σ = 164514346752. Its totient is φ = 22400133120.

The previous prime is 68843549651. The next prime is 68843549657. The reversal of 68843549652 is 25694534886.

It is a happy number.

It is a super-3 number, since 3×68843549652³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68843549651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320124 + ... + 490067.

It is an arithmetic number, because the mean of its divisors is an integer number (3427382224).

Almost surely, 2^68843549652 is an apocalyptic number.

It is an amenable number.

68843549652 is an abundant number, since it is smaller than the sum of its proper divisors (95670797100).

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

68843549652 is a wasteful number, since it uses less digits than its factorization.

68843549652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810368 (or 810366 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 60.

The spelling of 68843549652 in words is "sixty-eight billion, eight hundred forty-three million, five hundred forty-nine thousand, six hundred fifty-two".