6654430331 has 2 divisors, whose sum is σ = 6654430332. Its totient is φ = 6654430330.

The previous prime is 6654430327. The next prime is 6654430351. The reversal of 6654430331 is 1330344566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6654430331 - 2² = 6654430327 is a prime.

It is a super-3 number, since 3×6654430331³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 6654430291 and 6654430300.

It is not a weakly prime, because it can be changed into another prime (6654430301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327215165 + 3327215166.

It is an arithmetic number, because the mean of its divisors is an integer number (3327215166).

Almost surely, 2^6654430331 is an apocalyptic number.

6654430331 is a deficient number, since it is larger than the sum of its proper divisors (1).

6654430331 is an equidigital number, since it uses as much as digits as its factorization.

6654430331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 6654430331 is about 81574.6917309529. The cubic root of 6654430331 is about 1880.9198692736.

Adding to 6654430331 its reverse (1330344566), we get a palindrome (7984774897).

The spelling of 6654430331 in words is "six billion, six hundred fifty-four million, four hundred thirty thousand, three hundred thirty-one".