18456575341049 has 8 divisors (see below), whose sum is σ = 18957733929120. Its totient is φ = 17962054615296.

The previous prime is 18456575341037. The next prime is 18456575341103. The reversal of 18456575341049 is 94014357565481.

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 18456575341049 - 2¹⁶ = 18456575275513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18456575340982 and 18456575341000.

It is not an unprimeable number, because it can be changed into a prime (18456575341849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1659459944 + ... + 1659471065.

It is an arithmetic number, because the mean of its divisors is an integer number (2369716741140).

Almost surely, 2^{18456575341049} is an apocalyptic number.

It is an amenable number.

18456575341049 is a deficient number, since it is larger than the sum of its proper divisors (501158588071).

18456575341049 is an equidigital number, since it uses as much as digits as its factorization.

18456575341049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318931159.

The product of its (nonzero) digits is 72576000, while the sum is 62.

The spelling of 18456575341049 in words is "eighteen trillion, four hundred fifty-six billion, five hundred seventy-five million, three hundred forty-one thousand, forty-nine".