4509109553 has 4 divisors (see below), whose sum is σ = 4855964148. Its totient is φ = 4162254960.

The previous prime is 4509109537. The next prime is 4509109571. The reversal of 4509109553 is 3559019054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2142578944 + 2366530609 = 46288^2 + 48647^2 .

It is a cyclic number.

It is not a de Polignac number, because 4509109553 - 2⁴ = 4509109537 is a prime.

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 4509109553.

It is not an unprimeable number, because it can be changed into a prime (4509109523) 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, 173427278 + ... + 173427303.

It is an arithmetic number, because the mean of its divisors is an integer number (1213991037).

Almost surely, 2^4509109553 is an apocalyptic number.

It is an amenable number.

4509109553 is a deficient number, since it is larger than the sum of its proper divisors (346854595).

4509109553 is a wasteful number, since it uses less digits than its factorization.

4509109553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346854594.

The product of its (nonzero) digits is 121500, while the sum is 41.

The square root of 4509109553 is about 67149.9035963567. The cubic root of 4509109553 is about 1652.0769136050.

The spelling of 4509109553 in words is "four billion, five hundred nine million, one hundred nine thousand, five hundred fifty-three".