9951248384 has 304 divisors, whose sum is σ = 27179038080. Its totient is φ = 3523215360.

The previous prime is 9951248381. The next prime is 9951248389. The reversal of 9951248384 is 4838421599.

It is a super-2 number, since 2×9951248384² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9951248381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343146482 + ... + 343146510.

Almost surely, 2^9951248384 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 9951248384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13589519040).

9951248384 is an abundant number, since it is smaller than the sum of its proper divisors (17227789696).

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

9951248384 is an equidigital number, since it uses as much as digits as its factorization.

9951248384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 66 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The square root of 9951248384 is about 99755.9441035972. The cubic root of 9951248384 is about 2150.9279127174.

The spelling of 9951248384 in words is "nine billion, nine hundred fifty-one million, two hundred forty-eight thousand, three hundred eighty-four".