6886552421 has 8 divisors (see below), whose sum is σ = 7943901120. Its totient is φ = 5847592608.

The previous prime is 6886552397. The next prime is 6886552441. The reversal of 6886552421 is 1242556886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6886552421 - 2¹⁸ = 6886290277 is a prime.

It is a super-2 number, since 2×6886552421² = 94849208494361922482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6886552441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4596416 + ... + 4597913.

It is an arithmetic number, because the mean of its divisors is an integer number (992987640).

Almost surely, 2^6886552421 is an apocalyptic number.

It is an amenable number.

6886552421 is a deficient number, since it is larger than the sum of its proper divisors (1057348699).

6886552421 is a wasteful number, since it uses less digits than its factorization.

6886552421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9194443.

The product of its digits is 921600, while the sum is 47.

The square root of 6886552421 is about 82985.2542383284. The cubic root of 6886552421 is about 1902.5406842718.

The spelling of 6886552421 in words is "six billion, eight hundred eighty-six million, five hundred fifty-two thousand, four hundred twenty-one".