4548556169 has 4 divisors (see below), whose sum is σ = 4549717200. Its totient is φ = 4547395140.

The previous prime is 4548556147. The next prime is 4548556171. The reversal of 4548556169 is 9616558454.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9616558454 = 2 ⋅4808279227.

It is a cyclic number.

It is not a de Polignac number, because 4548556169 - 2²⁰ = 4547507593 is a prime.

It is a super-2 number, since 2×4548556169² = 41378726445095913122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4548556169.

It is not an unprimeable number, because it can be changed into a prime (4548558169) 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, 574619 + ... + 582480.

It is an arithmetic number, because the mean of its divisors is an integer number (1137429300).

Almost surely, 2^4548556169 is an apocalyptic number.

It is an amenable number.

4548556169 is a deficient number, since it is larger than the sum of its proper divisors (1161031).

4548556169 is a wasteful number, since it uses less digits than its factorization.

4548556169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161030.

The product of its digits is 5184000, while the sum is 53.

The square root of 4548556169 is about 67442.9845795691. The cubic root of 4548556169 is about 1656.8805024504.

The spelling of 4548556169 in words is "four billion, five hundred forty-eight million, five hundred fifty-six thousand, one hundred sixty-nine".