6984717489 has 6 divisors (see below), whose sum is σ = 10089036386. Its totient is φ = 4656478320.

The previous prime is 6984717479. The next prime is 6984717497. The reversal of 6984717489 is 9847174896.

6984717489 is a `hidden beast` number, since 6 + 9 + 84 + 71 + 7 + 489 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5822453025 + 1162264464 = 76305^2 + 34092^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6984717489 is a prime.

It is a super-2 number, since 2×6984717489² = 97572556802284930242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6984717409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 388039852 + ... + 388039869.

Almost surely, 2^6984717489 is an apocalyptic number.

It is an amenable number.

6984717489 is a deficient number, since it is larger than the sum of its proper divisors (3104318897).

6984717489 is a wasteful number, since it uses less digits than its factorization.

6984717489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776079727 (or 776079724 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The square root of 6984717489 is about 83574.6222785362. The cubic root of 6984717489 is about 1911.5380545495.

The spelling of 6984717489 in words is "six billion, nine hundred eighty-four million, seven hundred seventeen thousand, four hundred eighty-nine".