6551968231 has 8 divisors (see below), whose sum is σ = 6892779600. Its totient is φ = 6218815680.

The previous prime is 6551968219. The next prime is 6551968261. The reversal of 6551968231 is 1328691556.

6551968231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6551968231 - 2¹³ = 6551960039 is a prime.

It is a super-2 number, since 2×6551968231² = 85856575400066538722, 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 (6551968211) 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 7 ways as a sum of consecutive naturals, for example, 1912950 + ... + 1916371.

It is an arithmetic number, because the mean of its divisors is an integer number (861597450).

Almost surely, 2^6551968231 is an apocalyptic number.

6551968231 is a deficient number, since it is larger than the sum of its proper divisors (340811369).

6551968231 is a wasteful number, since it uses less digits than its factorization.

6551968231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3829409.

The product of its digits is 388800, while the sum is 46.

The square root of 6551968231 is about 80944.2291395749. The cubic root of 6551968231 is about 1871.2160231087.

The spelling of 6551968231 in words is "six billion, five hundred fifty-one million, nine hundred sixty-eight thousand, two hundred thirty-one".