4453986539809 has 9 divisors (see below), whose sum is σ = 4460257048051. Its totient is φ = 4447724843560.

The previous prime is 4453986539729. The next prime is 4453986539813. The reversal of 4453986539809 is 9089356893544.

The square root of 4453986539809 is 2110447.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4084833083409 + 369153456400 = 2021097^2 + 607580^2 .

It is not a de Polignac number, because 4453986539809 - 2⁹ = 4453986539297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4453986539869) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2492437014 + ... + 2492438800.

Almost surely, 2^{4453986539809} is an apocalyptic number.

4453986539809 is the 2110447-th square number.

4453986539809 is the 1055224-th centered octagonal number.

It is an amenable number.

4453986539809 is a deficient number, since it is larger than the sum of its proper divisors (6270508242).

4453986539809 is an frugal number, since it uses more digits than its factorization.

4453986539809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5936 (or 2968 counting only the distinct ones).

The product of its (nonzero) digits is 1007769600, while the sum is 73.

The spelling of 4453986539809 in words is "four trillion, four hundred fifty-three billion, nine hundred eighty-six million, five hundred thirty-nine thousand, eight hundred nine".