99684358943 has 8 divisors (see below), whose sum is σ = 107995217568. Its totient is φ = 91465333344.

The previous prime is 99684358919. The next prime is 99684358999. The reversal of 99684358943 is 34985348699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99684358943 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 (99684358913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22955996 + ... + 22960337.

It is an arithmetic number, because the mean of its divisors is an integer number (13499402196).

Almost surely, 2^99684358943 is an apocalyptic number.

99684358943 is a deficient number, since it is larger than the sum of its proper divisors (8310858625).

99684358943 is a wasteful number, since it uses less digits than its factorization.

99684358943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45916513.

The product of its digits is 201553920, while the sum is 68.

The spelling of 99684358943 in words is "ninety-nine billion, six hundred eighty-four million, three hundred fifty-eight thousand, nine hundred forty-three".