2053409609 has 8 divisors (see below), whose sum is σ = 2124084480. Its totient is φ = 1983533616.

The previous prime is 2053409599. The next prime is 2053409639. The reversal of 2053409609 is 9069043502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2053409609 - 2²⁰ = 2052361033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2053409639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194489 + ... + 204774.

It is an arithmetic number, because the mean of its divisors is an integer number (265510560).

Almost surely, 2^2053409609 is an apocalyptic number.

It is an amenable number.

2053409609 is a deficient number, since it is larger than the sum of its proper divisors (70674871).

2053409609 is a wasteful number, since it uses less digits than its factorization.

2053409609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399439.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 2053409609 is about 45314.5628799396. The cubic root of 2053409609 is about 1271.0379860150.

The spelling of 2053409609 in words is "two billion, fifty-three million, four hundred nine thousand, six hundred nine".