18068344929 has 12 divisors (see below), whose sum is σ = 26100421776. Its totient is φ = 12044778072.

The previous prime is 18068344913. The next prime is 18068344951. The reversal of 18068344929 is 92944386081.

It is not a de Polignac number, because 18068344929 - 2⁴ = 18068344913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18068343929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103162 + ... + 216284.

It is an arithmetic number, because the mean of its divisors is an integer number (2175035148).

Almost surely, 2^18068344929 is an apocalyptic number.

It is an amenable number.

18068344929 is a deficient number, since it is larger than the sum of its proper divisors (8032076847).

18068344929 is a wasteful number, since it uses less digits than its factorization.

18068344929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130876 (or 130873 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 18068344929 in words is "eighteen billion, sixty-eight million, three hundred forty-four thousand, nine hundred twenty-nine".