9671986629 has 32 divisors (see below), whose sum is σ = 14479534080. Its totient is φ = 6380478000.

The previous prime is 9671986627. The next prime is 9671986631. The reversal of 9671986629 is 9266891769.

It is a happy number.

9671986629 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9671986627) and next prime (9671986631).

It is not a de Polignac number, because 9671986629 - 2¹ = 9671986627 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9671986627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1294354 + ... + 1301804.

It is an arithmetic number, because the mean of its divisors is an integer number (452485440).

Almost surely, 2^9671986629 is an apocalyptic number.

It is an amenable number.

9671986629 is a deficient number, since it is larger than the sum of its proper divisors (4807547451).

9671986629 is a wasteful number, since it uses less digits than its factorization.

9671986629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7958 (or 7952 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 63.

The square root of 9671986629 is about 98346.2588459775. The cubic root of 9671986629 is about 2130.6162212304.

The spelling of 9671986629 in words is "nine billion, six hundred seventy-one million, nine hundred eighty-six thousand, six hundred twenty-nine".