9698540992 has 168 divisors, whose sum is σ = 23662843200. Its totient is φ = 3926071296.

The previous prime is 9698540983. The next prime is 9698540993. The reversal of 9698540992 is 2990458969.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9698540992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9698540993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4273234 + ... + 4275502.

Almost surely, 2^9698540992 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 9698540992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11831421600).

9698540992 is an abundant number, since it is smaller than the sum of its proper divisors (13964302208).

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

9698540992 is a wasteful number, since it uses less digits than its factorization.

9698540992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371 (or 2354 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 61.

The square root of 9698540992 is about 98481.1707485243. The cubic root of 9698540992 is about 2132.5643028456.

The spelling of 9698540992 in words is "nine billion, six hundred ninety-eight million, five hundred forty thousand, nine hundred ninety-two".