99450429752 has 8 divisors (see below), whose sum is σ = 186469555800. Its totient is φ = 49725214872.

The previous prime is 99450429739. The next prime is 99450429763. The reversal of 99450429752 is 25792405499.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215651852 + ... + 6215651867.

It is an arithmetic number, because the mean of its divisors is an integer number (23308694475).

Almost surely, 2^99450429752 is an apocalyptic number.

It is an amenable number.

99450429752 is a deficient number, since it is larger than the sum of its proper divisors (87019126048).

99450429752 is a wasteful number, since it uses less digits than its factorization.

99450429752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12431303725 (or 12431303721 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 99450429752 in words is "ninety-nine billion, four hundred fifty million, four hundred twenty-nine thousand, seven hundred fifty-two".