99998458573 has 32 divisors (see below), whose sum is σ = 121994691840. Its totient is φ = 80954588160.

The previous prime is 99998458489. The next prime is 99998458577. The reversal of 99998458573 is 37585489999.

It is a cyclic number.

It is not a de Polignac number, because 99998458573 - 2⁹ = 99998458061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99998458573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99998458577) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60936 + ... + 451342.

It is an arithmetic number, because the mean of its divisors is an integer number (3812334120).

Almost surely, 2^99998458573 is an apocalyptic number.

It is an amenable number.

99998458573 is a deficient number, since it is larger than the sum of its proper divisors (21996233267).

99998458573 is a wasteful number, since it uses less digits than its factorization.

99998458573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390517.

The product of its digits is 881798400, while the sum is 76.

The spelling of 99998458573 in words is "ninety-nine billion, nine hundred ninety-eight million, four hundred fifty-eight thousand, five hundred seventy-three".