99142817089 has 24 divisors (see below), whose sum is σ = 108435801600. Its totient is φ = 90328525056.

The previous prime is 99142817069. The next prime is 99142817101. The reversal of 99142817089 is 98071824199.

It is not a de Polignac number, because 99142817089 - 2⁷ = 99142816961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99142817029) 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 23 ways as a sum of consecutive naturals, for example, 4620624 + ... + 4642030.

It is an arithmetic number, because the mean of its divisors is an integer number (4518158400).

Almost surely, 2^99142817089 is an apocalyptic number.

It is an amenable number.

99142817089 is a deficient number, since it is larger than the sum of its proper divisors (9292984511).

99142817089 is a wasteful number, since it uses less digits than its factorization.

99142817089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21697 (or 21660 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 58.

The spelling of 99142817089 in words is "ninety-nine billion, one hundred forty-two million, eight hundred seventeen thousand, eighty-nine".