9479759689 has 2 divisors, whose sum is σ = 9479759690. Its totient is φ = 9479759688.

The previous prime is 9479759683. The next prime is 9479759693. The reversal of 9479759689 is 9869579749.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7498174464 + 1981585225 = 86592^2 + 44515^2 .

It is a cyclic number.

It is not a de Polignac number, because 9479759689 - 2⁷ = 9479759561 is a prime.

It is a super-2 number, since 2×9479759689² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9479759683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4739879844 + 4739879845.

It is an arithmetic number, because the mean of its divisors is an integer number (4739879845).

Almost surely, 2^9479759689 is an apocalyptic number.

It is an amenable number.

9479759689 is a deficient number, since it is larger than the sum of its proper divisors (1).

9479759689 is an equidigital number, since it uses as much as digits as its factorization.

9479759689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 308629440, while the sum is 73.

The square root of 9479759689 is about 97364.0574801605. The cubic root of 9479759689 is about 2116.4066106143.

The spelling of 9479759689 in words is "nine billion, four hundred seventy-nine million, seven hundred fifty-nine thousand, six hundred eighty-nine".