9902433744 has 120 divisors (see below), whose sum is σ = 31962993920. Its totient is φ = 2803279104.

The previous prime is 9902433743. The next prime is 9902433781. The reversal of 9902433744 is 4473342099.

It is a self number, because there is not a number n which added to its sum of digits gives 9902433744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9902433743) 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, 64809 + ... + 154935.

Almost surely, 2^9902433744 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 9902433744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15981496960).

9902433744 is an abundant number, since it is smaller than the sum of its proper divisors (22060560176).

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

9902433744 is a wasteful number, since it uses less digits than its factorization.

9902433744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90257 (or 90248 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 9902433744 is about 99510.9729828826. The cubic root of 9902433744 is about 2147.4051076701.

The spelling of 9902433744 in words is "nine billion, nine hundred two million, four hundred thirty-three thousand, seven hundred forty-four".