4845549874509 has 28 divisors (see below), whose sum is σ = 7266857577696. Its totient is φ = 3229541233992.

The previous prime is 4845549874489. The next prime is 4845549874511. The reversal of 4845549874509 is 9054789455484.

It is a happy number.

4845549874509 is a `hidden beast` number, since 4 + 8 + 4 + 5 + 5 + 49 + 8 + 74 + 509 = 666.

It is not a de Polignac number, because 4845549874509 - 2⁷ = 4845549874381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4845549874559) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2012704 + ... + 3707030.

Almost surely, 2^{4845549874509} is an apocalyptic number.

It is an amenable number.

4845549874509 is a deficient number, since it is larger than the sum of its proper divisors (2421307703187).

4845549874509 is an equidigital number, since it uses as much as digits as its factorization.

4845549874509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698268 (or 1698253 counting only the distinct ones).

The product of its (nonzero) digits is 1161216000, while the sum is 72.

The spelling of 4845549874509 in words is "four trillion, eight hundred forty-five billion, five hundred forty-nine million, eight hundred seventy-four thousand, five hundred nine".