99843943135 has 8 divisors (see below), whose sum is σ = 119862194400. Its totient is φ = 79842179424.

The previous prime is 99843943127. The next prime is 99843943183. The reversal of 99843943135 is 53134934899.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 99843943135 - 2³ = 99843943127 is a prime.

It is a super-2 number, since 2×99843943135² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99843943135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4108560 + ... + 4132789.

It is an arithmetic number, because the mean of its divisors is an integer number (14982774300).

Almost surely, 2^99843943135 is an apocalyptic number.

99843943135 is a deficient number, since it is larger than the sum of its proper divisors (20018251265).

99843943135 is a wasteful number, since it uses less digits than its factorization.

99843943135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8243777.

The product of its digits is 12597120, while the sum is 58.

The spelling of 99843943135 in words is "ninety-nine billion, eight hundred forty-three million, nine hundred forty-three thousand, one hundred thirty-five".