18060434559049 has 3 divisors (see below), whose sum is σ = 18060438808807. Its totient is φ = 18060430309292.

The previous prime is 18060434559019. The next prime is 18060434559059. The reversal of 18060434559049 is 94095543406081.

The square root of 18060434559049 is 4249757.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 7695048260025 + 10365386299024 = 2773995^2 + 3219532^2 .

It is not a de Polignac number, because 18060434559049 - 2⁵ = 18060434559017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18060434558984 and 18060434559002.

It is not an unprimeable number, because it can be changed into a prime (18060434559019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2124879 + ... + 6374635.

Almost surely, 2^{18060434559049} is an apocalyptic number.

18060434559049 is the 4249757-th square number.

18060434559049 is the 2124879-th centered octagonal number.

It is an amenable number.

18060434559049 is a deficient number, since it is larger than the sum of its proper divisors (4249758).

18060434559049 is an frugal number, since it uses more digits than its factorization.

18060434559049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8499514 (or 4249757 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 58.

The spelling of 18060434559049 in words is "eighteen trillion, sixty billion, four hundred thirty-four million, five hundred fifty-nine thousand, forty-nine".