18358855045 has 8 divisors (see below), whose sum is σ = 22332415896. Its totient is φ = 14485890816.

The previous prime is 18358855019. The next prime is 18358855049. The reversal of 18358855045 is 54055885381.

It can be written as a sum of positive squares in 4 ways, for example, as 11068929 + 18347786116 = 3327^2 + 135454^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 18358855045 - 2⁹ = 18358854533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18358854983 and 18358855001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18358855049) 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, 25148752 + ... + 25149481.

It is an arithmetic number, because the mean of its divisors is an integer number (2791551987).

Almost surely, 2^18358855045 is an apocalyptic number.

It is an amenable number.

18358855045 is a deficient number, since it is larger than the sum of its proper divisors (3973560851).

18358855045 is an equidigital number, since it uses as much as digits as its factorization.

18358855045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50298311.

The product of its (nonzero) digits is 3840000, while the sum is 52.

The spelling of 18358855045 in words is "eighteen billion, three hundred fifty-eight million, eight hundred fifty-five thousand, forty-five".