99729836943 has 16 divisors (see below), whose sum is σ = 147226682496. Its totient is φ = 59540199840.

The previous prime is 99729836939. The next prime is 99729836959. The reversal of 99729836943 is 34963892799.

It is not a de Polignac number, because 99729836943 - 2² = 99729836939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99729836993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22550896 + ... + 22555317.

It is an arithmetic number, because the mean of its divisors is an integer number (9201667656).

Almost surely, 2^99729836943 is an apocalyptic number.

99729836943 is a deficient number, since it is larger than the sum of its proper divisors (47496845553).

99729836943 is a wasteful number, since it uses less digits than its factorization.

99729836943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45106294.

The product of its digits is 158723712, while the sum is 69.

The spelling of 99729836943 in words is "ninety-nine billion, seven hundred twenty-nine million, eight hundred thirty-six thousand, nine hundred forty-three".