9671719261 has 8 divisors (see below), whose sum is σ = 9768470400. Its totient is φ = 9575023152.

The previous prime is 9671719249. The next prime is 9671719289. The reversal of 9671719261 is 1629171769.

9671719261 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 a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9671719261 - 2⁷ = 9671719133 is a prime.

It is a super-2 number, since 2×9671719261² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9671719201) 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 7 ways as a sum of consecutive naturals, for example, 401640 + ... + 425038.

It is an arithmetic number, because the mean of its divisors is an integer number (1221058800).

Almost surely, 2^9671719261 is an apocalyptic number.

It is an amenable number.

9671719261 is a deficient number, since it is larger than the sum of its proper divisors (96751139).

9671719261 is a wasteful number, since it uses less digits than its factorization.

9671719261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27515.

The product of its digits is 285768, while the sum is 49.

The square root of 9671719261 is about 98344.8995169551. The cubic root of 9671719261 is about 2130.5965884542.

The spelling of 9671719261 in words is "nine billion, six hundred seventy-one million, seven hundred nineteen thousand, two hundred sixty-one".