9961359895 has 8 divisors (see below), whose sum is σ = 12022729056. Its totient is φ = 7923023136.

The previous prime is 9961359887. The next prime is 9961359913. The reversal of 9961359895 is 5989531699.

9961359895 is digitally balanced in base 2, because in such base 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 9961359895 - 2³ = 9961359887 is a prime.

It is a super-2 number, since 2×9961359895² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 5757147 + ... + 5758876.

It is an arithmetic number, because the mean of its divisors is an integer number (1502841132).

Almost surely, 2^9961359895 is an apocalyptic number.

9961359895 is a deficient number, since it is larger than the sum of its proper divisors (2061369161).

9961359895 is a wasteful number, since it uses less digits than its factorization.

9961359895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11516201.

The product of its digits is 23619600, while the sum is 64.

The square root of 9961359895 is about 99806.6124813381. The cubic root of 9961359895 is about 2151.6561888124.

The spelling of 9961359895 in words is "nine billion, nine hundred sixty-one million, three hundred fifty-nine thousand, eight hundred ninety-five".