99999000293 has 4 divisors (see below), whose sum is σ = 103224774528. Its totient is φ = 96773226060.

The previous prime is 99999000259. The next prime is 99999000319. The reversal of 99999000293 is 39200099999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99999000293 - 2⁶ = 99999000229 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 (99999000793) 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, 1612887071 + ... + 1612887132.

It is an arithmetic number, because the mean of its divisors is an integer number (25806193632).

Almost surely, 2^99999000293 is an apocalyptic number.

It is an amenable number.

99999000293 is a deficient number, since it is larger than the sum of its proper divisors (3225774235).

99999000293 is a wasteful number, since it uses less digits than its factorization.

99999000293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225774234.

The product of its (nonzero) digits is 3188646, while the sum is 59.

The spelling of 99999000293 in words is "ninety-nine billion, nine hundred ninety-nine million, two hundred ninety-three", and thus it is an aban number.