5818345985 has 8 divisors (see below), whose sum is σ = 7080353856. Its totient is φ = 4589117680.

The previous prime is 5818345979. The next prime is 5818345993. The reversal of 5818345985 is 5895438185.

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

It is a de Polignac number, because none of the positive numbers 2^k-5818345985 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5818345985.

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, 8194499 + ... + 8195208.

It is an arithmetic number, because the mean of its divisors is an integer number (885044232).

Almost surely, 2^5818345985 is an apocalyptic number.

It is an amenable number.

5818345985 is a deficient number, since it is larger than the sum of its proper divisors (1262007871).

5818345985 is a wasteful number, since it uses less digits than its factorization.

5818345985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16389783.

The product of its digits is 6912000, while the sum is 56.

The square root of 5818345985 is about 76278.0832546283. The cubic root of 5818345985 is about 1798.5941682530.

The spelling of 5818345985 in words is "five billion, eight hundred eighteen million, three hundred forty-five thousand, nine hundred eighty-five".