6488969 has 2 divisors, whose sum is σ = 6488970. Its totient is φ = 6488968.

The previous prime is 6488959. The next prime is 6488971. The reversal of 6488969 is 9698846.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5017600 + 1471369 = 2240^2 + 1213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6488969 is a prime.

It is a super-2 number, since 2×6488969² = 84213437365922, which contains 22 as substring.

Together with 6488971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6488939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3244484 + 3244485.

It is an arithmetic number, because the mean of its divisors is an integer number (3244485).

Almost surely, 2^6488969 is an apocalyptic number.

It is an amenable number.

6488969 is a deficient number, since it is larger than the sum of its proper divisors (1).

6488969 is an equidigital number, since it uses as much as digits as its factorization.

6488969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 50.

The square root of 6488969 is about 2547.3454810842. The cubic root of 6488969 is about 186.5199254204.

The spelling of 6488969 in words is "six million, four hundred eighty-eight thousand, nine hundred sixty-nine".