18755575486 has 4 divisors (see below), whose sum is σ = 28133363232. Its totient is φ = 9377787742.

The previous prime is 18755575441. The next prime is 18755575513. The reversal of 18755575486 is 68457555781.

It is a happy number.

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

It is a super-2 number, since 2×18755575486² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4688893870 + ... + 4688893873.

It is an arithmetic number, because the mean of its divisors is an integer number (7033340808).

Almost surely, 2^18755575486 is an apocalyptic number.

18755575486 is a deficient number, since it is larger than the sum of its proper divisors (9377787746).

18755575486 is an equidigital number, since it uses as much as digits as its factorization.

18755575486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9377787745.

The product of its digits is 47040000, while the sum is 61.

The spelling of 18755575486 in words is "eighteen billion, seven hundred fifty-five million, five hundred seventy-five thousand, four hundred eighty-six".