99969392706432 has 256 divisors, whose sum is σ = 277716495006720. Its totient is φ = 31830853017600.

The previous prime is 99969392706413. The next prime is 99969392706433. The reversal of 99969392706432 is 23460729396999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99969392706433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1009609758 + ... + 1009708770.

It is an arithmetic number, because the mean of its divisors is an integer number (1084830058620).

Almost surely, 2^{99969392706432} 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 99969392706432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138858247503360).

99969392706432 is an abundant number, since it is smaller than the sum of its proper divisors (177747102300288).

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

99969392706432 is a wasteful number, since it uses less digits than its factorization.

99969392706432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100421 (or 100409 counting only the distinct ones).

The product of its (nonzero) digits is 2142770112, while the sum is 78.

The spelling of 99969392706432 in words is "ninety-nine trillion, nine hundred sixty-nine billion, three hundred ninety-two million, seven hundred six thousand, four hundred thirty-two".