18057569213093 has 8 divisors (see below), whose sum is σ = 18218166320088. Its totient is φ = 17896986064384.

The previous prime is 18057569213077. The next prime is 18057569213143. The reversal of 18057569213093 is 39031296575081.

It can be written as a sum of positive squares in 4 ways, for example, as 721612872484 + 17335956340609 = 849478^2 + 4163647^2 .

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 18057569213093 - 2⁴ = 18057569213077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18057569213023) 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, 882080 + ... + 6073977.

It is an arithmetic number, because the mean of its divisors is an integer number (2277270790011).

Almost surely, 2^{18057569213093} is an apocalyptic number.

It is an amenable number.

18057569213093 is a deficient number, since it is larger than the sum of its proper divisors (160597106995).

18057569213093 is a wasteful number, since it uses less digits than its factorization.

18057569213093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6979143.

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 18057569213093 in words is "eighteen trillion, fifty-seven billion, five hundred sixty-nine million, two hundred thirteen thousand, ninety-three".