68829495220 has 12 divisors (see below), whose sum is σ = 144541940004. Its totient is φ = 27531798080.

The previous prime is 68829495173. The next prime is 68829495223. The reversal of 68829495220 is 2259492886.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24154754724 + 44674740496 = 155418^2 + 211364^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68829495223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1720737361 + ... + 1720737400.

It is an arithmetic number, because the mean of its divisors is an integer number (12045161667).

Almost surely, 2^68829495220 is an apocalyptic number.

It is an amenable number.

68829495220 is an abundant number, since it is smaller than the sum of its proper divisors (75712444784).

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

68829495220 is a wasteful number, since it uses less digits than its factorization.

68829495220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441474770 (or 3441474768 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 68829495220 in words is "sixty-eight billion, eight hundred twenty-nine million, four hundred ninety-five thousand, two hundred twenty".