9868521341 has 16 divisors (see below), whose sum is σ = 11643832320. Its totient is φ = 8186987520.

The previous prime is 9868521323. The next prime is 9868521343. The reversal of 9868521341 is 1431258689.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9868521341 - 2²² = 9864327037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9868521343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50276 + ... + 149213.

It is an arithmetic number, because the mean of its divisors is an integer number (727739520).

Almost surely, 2^9868521341 is an apocalyptic number.

It is an amenable number.

9868521341 is a deficient number, since it is larger than the sum of its proper divisors (1775310979).

9868521341 is a wasteful number, since it uses less digits than its factorization.

9868521341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199724.

The product of its digits is 414720, while the sum is 47.

The square root of 9868521341 is about 99340.4315523141. The cubic root of 9868521341 is about 2144.9509312603.

The spelling of 9868521341 in words is "nine billion, eight hundred sixty-eight million, five hundred twenty-one thousand, three hundred forty-one".