6488874991 has 2 divisors, whose sum is σ = 6488874992. Its totient is φ = 6488874990.

The previous prime is 6488874989. The next prime is 6488875039. The reversal of 6488874991 is 1994788846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6488874991 - 2¹ = 6488874989 is a prime.

Together with 6488874989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6488874911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3244437495 + 3244437496.

It is an arithmetic number, because the mean of its divisors is an integer number (3244437496).

Almost surely, 2^6488874991 is an apocalyptic number.

6488874991 is a deficient number, since it is larger than the sum of its proper divisors (1).

6488874991 is an equidigital number, since it uses as much as digits as its factorization.

6488874991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27869184, while the sum is 64.

The square root of 6488874991 is about 80553.5535591075. The cubic root of 6488874991 is about 1865.1902467962.

The spelling of 6488874991 in words is "six billion, four hundred eighty-eight million, eight hundred seventy-four thousand, nine hundred ninety-one".