6862044021 has 16 divisors (see below), whose sum is σ = 10486593024. Its totient is φ = 3909863664.

The previous prime is 6862044011. The next prime is 6862044023. The reversal of 6862044021 is 1204402686.

It is not a de Polignac number, because 6862044021 - 2⁶ = 6862043957 is a prime.

It is a super-2 number, since 2×6862044021² = 94175296292283696882, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6862044023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463555 + ... + 478128.

It is an arithmetic number, because the mean of its divisors is an integer number (655412064).

Almost surely, 2^6862044021 is an apocalyptic number.

It is an amenable number.

6862044021 is a deficient number, since it is larger than the sum of its proper divisors (3624549003).

6862044021 is a wasteful number, since it uses less digits than its factorization.

6862044021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942040.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 6862044021 is about 82837.4554232565. The cubic root of 6862044021 is about 1900.2810314681.

The spelling of 6862044021 in words is "six billion, eight hundred sixty-two million, forty-four thousand, twenty-one".