99043234093 has 4 divisors (see below), whose sum is σ = 100064298460. Its totient is φ = 98022169728.

The previous prime is 99043234079. The next prime is 99043234099. The reversal of 99043234093 is 39043234099.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47715159844 + 51328074249 = 218438^2 + 226557^2 .

It is a cyclic number.

It is not a de Polignac number, because 99043234093 - 2²⁹ = 98506363181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99043234099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510532038 + ... + 510532231.

It is an arithmetic number, because the mean of its divisors is an integer number (25016074615).

Almost surely, 2^99043234093 is an apocalyptic number.

It is an amenable number.

99043234093 is a deficient number, since it is larger than the sum of its proper divisors (1021064367).

99043234093 is a wasteful number, since it uses less digits than its factorization.

99043234093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021064366.

The product of its (nonzero) digits is 629856, while the sum is 46.

The spelling of 99043234093 in words is "ninety-nine billion, forty-three million, two hundred thirty-four thousand, ninety-three".