5729421768 has 32 divisors (see below), whose sum is σ = 16369776960. Its totient is φ = 1636977600.

The previous prime is 5729421757. The next prime is 5729421779. The reversal of 5729421768 is 8671249275.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5729421757) and next prime (5729421779).

It is a self number, because there is not a number n which added to its sum of digits gives 5729421768.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17051683 + ... + 17052018.

It is an arithmetic number, because the mean of its divisors is an integer number (511555530).

Almost surely, 2^5729421768 is an apocalyptic number.

It is an amenable number.

5729421768 is an abundant number, since it is smaller than the sum of its proper divisors (10640355192).

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

5729421768 is a wasteful number, since it uses less digits than its factorization.

5729421768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34103717 (or 34103713 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 5729421768 is about 75692.9439776258. The cubic root of 5729421768 is about 1789.3841985652.

The spelling of 5729421768 in words is "five billion, seven hundred twenty-nine million, four hundred twenty-one thousand, seven hundred sixty-eight".