9698137440 has 192 divisors, whose sum is σ = 31730662656. Its totient is φ = 2487969792.

The previous prime is 9698137439. The next prime is 9698137469. The reversal of 9698137440 is 447318969.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1379374 + ... + 1386386.

It is an arithmetic number, because the mean of its divisors is an integer number (165263868).

Almost surely, 2^9698137440 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 9698137440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15865331328).

9698137440 is an abundant number, since it is smaller than the sum of its proper divisors (22032525216).

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

9698137440 is a wasteful number, since it uses less digits than its factorization.

9698137440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141 (or 7133 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 9698137440 is about 98479.1218482375. The cubic root of 9698137440 is about 2132.5347240829.

It can be divided in two parts, 96981 and 37440, that added together give a triangular number (134421 = T₅₁₈).

The spelling of 9698137440 in words is "nine billion, six hundred ninety-eight million, one hundred thirty-seven thousand, four hundred forty".