18805542753 has 4 divisors (see below), whose sum is σ = 25074057008. Its totient is φ = 12537028500.

The previous prime is 18805542727. The next prime is 18805542773. The reversal of 18805542753 is 35724550881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 18805542753 - 2²⁴ = 18788765537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18805542703) 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 3 ways as a sum of consecutive naturals, for example, 3134257123 + ... + 3134257128.

It is an arithmetic number, because the mean of its divisors is an integer number (6268514252).

Almost surely, 2^18805542753 is an apocalyptic number.

It is an amenable number.

18805542753 is a deficient number, since it is larger than the sum of its proper divisors (6268514255).

18805542753 is an equidigital number, since it uses as much as digits as its factorization.

18805542753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6268514254.

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 18805542753 in words is "eighteen billion, eight hundred five million, five hundred forty-two thousand, seven hundred fifty-three".