42909966899 has 8 divisors (see below), whose sum is σ = 44924438160. Its totient is φ = 40931150176.

The previous prime is 42909966881. The next prime is 42909966937. The reversal of 42909966899 is 99866990924.

42909966899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-42909966899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42909966829) 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, 8911172 + ... + 8915985.

It is an arithmetic number, because the mean of its divisors is an integer number (5615554770).

Almost surely, 2^42909966899 is an apocalyptic number.

42909966899 is a deficient number, since it is larger than the sum of its proper divisors (2014471261).

42909966899 is a wasteful number, since it uses less digits than its factorization.

42909966899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17827269.

The product of its (nonzero) digits is 136048896, while the sum is 71.

The spelling of 42909966899 in words is "forty-two billion, nine hundred nine million, nine hundred sixty-six thousand, eight hundred ninety-nine".