18822452503 has 4 divisors (see below), whose sum is σ = 18882588448. Its totient is φ = 18762316560.

The previous prime is 18822452399. The next prime is 18822452527. The reversal of 18822452503 is 30525422881.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30525422881 = 29 ⋅1052600789.

It is a cyclic number.

It is not a de Polignac number, because 18822452503 - 2²⁵ = 18788898071 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 (18822452533) 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, 30067503 + ... + 30068128.

It is an arithmetic number, because the mean of its divisors is an integer number (4720647112).

Almost surely, 2^18822452503 is an apocalyptic number.

18822452503 is a deficient number, since it is larger than the sum of its proper divisors (60135945).

18822452503 is an equidigital number, since it uses as much as digits as its factorization.

18822452503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60135944.

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 18822452503 in words is "eighteen billion, eight hundred twenty-two million, four hundred fifty-two thousand, five hundred three".