6888031421 has 16 divisors (see below), whose sum is σ = 7347075840. Its totient is φ = 6443099520.

The previous prime is 6888031393. The next prime is 6888031459. The reversal of 6888031421 is 1241308886.

It is a cyclic number.

It is not a de Polignac number, because 6888031421 - 2²⁶ = 6820922557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6888031471) 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, 370025 + ... + 388193.

It is an arithmetic number, because the mean of its divisors is an integer number (459192240).

Almost surely, 2^6888031421 is an apocalyptic number.

It is an amenable number.

6888031421 is a deficient number, since it is larger than the sum of its proper divisors (459044419).

6888031421 is a wasteful number, since it uses less digits than its factorization.

6888031421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18556.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 6888031421 is about 82994.1649816419. The cubic root of 6888031421 is about 1902.6768751204.

The spelling of 6888031421 in words is "six billion, eight hundred eighty-eight million, thirty-one thousand, four hundred twenty-one".