45489569600809 has 24 divisors (see below), whose sum is σ = 47220064123680. Its totient is φ = 43809513226752.

The previous prime is 45489569600803. The next prime is 45489569600833. The reversal of 45489569600809 is 90800696598454.

It is not a de Polignac number, because 45489569600809 - 2³⁷ = 45352130647337 is a prime.

It is a super-2 number, since 2×45489569600809² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45489569600803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111333042 + ... + 111740884.

It is an arithmetic number, because the mean of its divisors is an integer number (1967502671820).

Almost surely, 2^{45489569600809} is an apocalyptic number.

It is an amenable number.

45489569600809 is a deficient number, since it is larger than the sum of its proper divisors (1730494522871).

45489569600809 is an equidigital number, since it uses as much as digits as its factorization.

45489569600809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408681 (or 408628 counting only the distinct ones).

The product of its (nonzero) digits is 671846400, while the sum is 73.

The spelling of 45489569600809 in words is "forty-five trillion, four hundred eighty-nine billion, five hundred sixty-nine million, six hundred thousand, eight hundred nine".