6862349721 has 16 divisors (see below), whose sum is σ = 9468869760. Its totient is φ = 4415483520.

The previous prime is 6862349701. The next prime is 6862349731. The reversal of 6862349721 is 1279432686.

6862349721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6862349721 - 2¹⁸ = 6862087577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6862349701) 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, 243556 + ... + 270266.

It is an arithmetic number, because the mean of its divisors is an integer number (591804360).

Almost surely, 2^6862349721 is an apocalyptic number.

It is an amenable number.

6862349721 is a deficient number, since it is larger than the sum of its proper divisors (2606520039).

6862349721 is a wasteful number, since it uses less digits than its factorization.

6862349721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29696.

The product of its digits is 870912, while the sum is 48.

The square root of 6862349721 is about 82839.3005825134. The cubic root of 6862349721 is about 1900.3092498475.

The spelling of 6862349721 in words is "six billion, eight hundred sixty-two million, three hundred forty-nine thousand, seven hundred twenty-one".