9896509692 has 120 divisors (see below), whose sum is σ = 26504622144. Its totient is φ = 3218548608.

The previous prime is 9896509687. The next prime is 9896509697. The reversal of 9896509692 is 2969056989.

It is an interprime number because it is at equal distance from previous prime (9896509687) and next prime (9896509697).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9896509697) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6044698 + ... + 6046334.

Almost surely, 2^9896509692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9896509692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13252311072).

9896509692 is an abundant number, since it is smaller than the sum of its proper divisors (16608112452).

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

9896509692 is a wasteful number, since it uses less digits than its factorization.

9896509692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097 (or 2086 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 63.

The square root of 9896509692 is about 99481.2027068431. The cubic root of 9896509692 is about 2146.9767995892.

The spelling of 9896509692 in words is "nine billion, eight hundred ninety-six million, five hundred nine thousand, six hundred ninety-two".