8618822444503 has 4 divisors (see below), whose sum is σ = 9125812000080. Its totient is φ = 8111832888928.

The previous prime is 8618822444443. The next prime is 8618822444581. The reversal of 8618822444503 is 3054442288168.

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 8618822444503 - 2³³ = 8610232509911 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 (8618822441503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253494777763 + ... + 253494777796.

It is an arithmetic number, because the mean of its divisors is an integer number (2281453000020).

Almost surely, 2^{8618822444503} is an apocalyptic number.

8618822444503 is a deficient number, since it is larger than the sum of its proper divisors (506989555577).

8618822444503 is a wasteful number, since it uses less digits than its factorization.

8618822444503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506989555576.

The product of its (nonzero) digits is 11796480, while the sum is 55.

The spelling of 8618822444503 in words is "eight trillion, six hundred eighteen billion, eight hundred twenty-two million, four hundred forty-four thousand, five hundred three".