18358487041 has 8 divisors (see below), whose sum is σ = 18552527784. Its totient is φ = 18164544000.

The previous prime is 18358487009. The next prime is 18358487087. The reversal of 18358487041 is 14078485381.

It can be written as a sum of positive squares in 4 ways, for example, as 670551025 + 17687936016 = 25895^2 + 132996^2 .

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 18358487041 - 2⁵ = 18358487009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18358482041) 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, 390291 + ... + 434791.

It is an arithmetic number, because the mean of its divisors is an integer number (2319065973).

Almost surely, 2^18358487041 is an apocalyptic number.

It is an amenable number.

18358487041 is a deficient number, since it is larger than the sum of its proper divisors (194040743).

18358487041 is an equidigital number, since it uses as much as digits as its factorization.

18358487041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48851.

The product of its (nonzero) digits is 860160, while the sum is 49.

The spelling of 18358487041 in words is "eighteen billion, three hundred fifty-eight million, four hundred eighty-seven thousand, forty-one".