18463942085 has 16 divisors (see below), whose sum is σ = 22883561472. Its totient is φ = 14287104000.

The previous prime is 18463942069. The next prime is 18463942121. The reversal of 18463942085 is 58024936481.

It is not a de Polignac number, because 18463942085 - 2⁴ = 18463942069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271877 + ... + 332933.

It is an arithmetic number, because the mean of its divisors is an integer number (1430222592).

Almost surely, 2^18463942085 is an apocalyptic number.

It is an amenable number.

18463942085 is a deficient number, since it is larger than the sum of its proper divisors (4419619387).

18463942085 is a wasteful number, since it uses less digits than its factorization.

18463942085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63044.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 18463942085 in words is "eighteen billion, four hundred sixty-three million, nine hundred forty-two thousand, eighty-five".