9135911964 has 12 divisors (see below), whose sum is σ = 21317127944. Its totient is φ = 3045303984.

The previous prime is 9135911959. The next prime is 9135911969. The reversal of 9135911964 is 4691195319.

It is an interprime number because it is at equal distance from previous prime (9135911959) and next prime (9135911969).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9135911969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380662987 + ... + 380663010.

Almost surely, 2^9135911964 is an apocalyptic number.

It is an amenable number.

9135911964 is an abundant number, since it is smaller than the sum of its proper divisors (12181215980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9135911964 is a wasteful number, since it uses less digits than its factorization.

9135911964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761326004 (or 761326002 counting only the distinct ones).

The product of its digits is 262440, while the sum is 48.

The square root of 9135911964 is about 95581.9646376867. The cubic root of 9135911964 is about 2090.5022307453.

The spelling of 9135911964 in words is "nine billion, one hundred thirty-five million, nine hundred eleven thousand, nine hundred sixty-four".