9699642432 has 336 divisors, whose sum is σ = 30407213760. Its totient is φ = 3069031680.

The previous prime is 9699642431. The next prime is 9699642473. The reversal of 9699642432 is 2342469969.

It is a super-4 number, since 4×9699642432⁴ (a number of 41 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (9699642431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74043007 + ... + 74043137.

It is an arithmetic number, because the mean of its divisors is an integer number (90497660).

Almost surely, 2^9699642432 is an apocalyptic number.

9699642432 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9699642432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15203606880).

9699642432 is an abundant number, since it is smaller than the sum of its proper divisors (20707571328).

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

9699642432 is an equidigital number, since it uses as much as digits as its factorization.

9699642432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 159 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 54.

The square root of 9699642432 is about 98486.7627247439. The cubic root of 9699642432 is about 2132.6450298578.

The spelling of 9699642432 in words is "nine billion, six hundred ninety-nine million, six hundred forty-two thousand, four hundred thirty-two".