9693243840 has 224 divisors, whose sum is σ = 35235855360. Its totient is φ = 2211618816.

The previous prime is 9693243799. The next prime is 9693243913. The reversal of 9693243840 is 483423969.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×9693243840² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 9693243840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5435589 + ... + 5437371.

Almost surely, 2^9693243840 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 9693243840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17617927680).

9693243840 is an abundant number, since it is smaller than the sum of its proper divisors (25542611520).

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

9693243840 is a wasteful number, since it uses less digits than its factorization.

9693243840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619 (or 2609 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 48.

The square root of 9693243840 is about 98454.2728376986. The cubic root of 9693243840 is about 2132.1759772703.

The spelling of 9693243840 in words is "nine billion, six hundred ninety-three million, two hundred forty-three thousand, eight hundred forty".