5519896409 has 4 divisors (see below), whose sum is σ = 5540416740. Its totient is φ = 5499376080.

The previous prime is 5519896373. The next prime is 5519896429. The reversal of 5519896409 is 9046989155.

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 603783184 + 4916113225 = 24572^2 + 70115^2 .

It is a cyclic number.

It is not a de Polignac number, because 5519896409 - 2²⁰ = 5518847833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5519896429) 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, 10259762 + ... + 10260299.

It is an arithmetic number, because the mean of its divisors is an integer number (1385104185).

Almost surely, 2^5519896409 is an apocalyptic number.

It is an amenable number.

5519896409 is a deficient number, since it is larger than the sum of its proper divisors (20520331).

5519896409 is a wasteful number, since it uses less digits than its factorization.

5519896409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20520330.

The product of its (nonzero) digits is 3499200, while the sum is 56.

The square root of 5519896409 is about 74296.0053367609. The cubic root of 5519896409 is about 1767.3001290050.

The spelling of 5519896409 in words is "five billion, five hundred nineteen million, eight hundred ninety-six thousand, four hundred nine".