9689882949 has 12 divisors (see below), whose sum is σ = 13999468236. Its totient is φ = 6458550912.

The previous prime is 9689882857. The next prime is 9689882953. The reversal of 9689882949 is 9492889869.

It can be written as a sum of positive squares in 2 ways, for example, as 6199200225 + 3490682724 = 78735^2 + 59082^2 .

It is not a de Polignac number, because 9689882949 - 2⁷ = 9689882821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9689882959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68532 + ... + 155165.

It is an arithmetic number, because the mean of its divisors is an integer number (1166622353).

Almost surely, 2^9689882949 is an apocalyptic number.

It is an amenable number.

9689882949 is a deficient number, since it is larger than the sum of its proper divisors (4309585287).

9689882949 is a wasteful number, since it uses less digits than its factorization.

9689882949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228516 (or 228513 counting only the distinct ones).

The product of its digits is 161243136, while the sum is 72.

The square root of 9689882949 is about 98437.2030738379. The cubic root of 9689882949 is about 2131.9295224700.

The spelling of 9689882949 in words is "nine billion, six hundred eighty-nine million, eight hundred eighty-two thousand, nine hundred forty-nine".