18582809059 has 4 divisors (see below), whose sum is σ = 18597294216. Its totient is φ = 18568323904.

The previous prime is 18582809057. The next prime is 18582809101. The reversal of 18582809059 is 95090828581.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18582809059 - 2¹ = 18582809057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18582809057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7240654 + ... + 7243219.

It is an arithmetic number, because the mean of its divisors is an integer number (4649323554).

Almost surely, 2^18582809059 is an apocalyptic number.

18582809059 is a deficient number, since it is larger than the sum of its proper divisors (14485157).

18582809059 is a wasteful number, since it uses less digits than its factorization.

18582809059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14485156.

The product of its (nonzero) digits is 2073600, while the sum is 55.

The spelling of 18582809059 in words is "eighteen billion, five hundred eighty-two million, eight hundred nine thousand, fifty-nine".