9677247149 has 2 divisors, whose sum is σ = 9677247150. Its totient is φ = 9677247148.

The previous prime is 9677247119. The next prime is 9677247163. The reversal of 9677247149 is 9417427769.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7722015625 + 1955231524 = 87875^2 + 44218^2 .

It is a cyclic number.

It is not a de Polignac number, because 9677247149 - 2²⁰ = 9676198573 is a prime.

It is a super-2 number, since 2×9677247149² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9677247094 and 9677247103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9677247119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4838623574 + 4838623575.

It is an arithmetic number, because the mean of its divisors is an integer number (4838623575).

Almost surely, 2^9677247149 is an apocalyptic number.

It is an amenable number.

9677247149 is a deficient number, since it is larger than the sum of its proper divisors (1).

9677247149 is an equidigital number, since it uses as much as digits as its factorization.

9677247149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5334336, while the sum is 56.

The square root of 9677247149 is about 98373.0001016539. Note that the first 3 decimals coincide. The cubic root of 9677247149 is about 2131.0024265426.

The spelling of 9677247149 in words is "nine billion, six hundred seventy-seven million, two hundred forty-seven thousand, one hundred forty-nine".