5519609445 has 64 divisors (see below), whose sum is σ = 10219530240. Its totient is φ = 2491776768.

The previous prime is 5519609443. The next prime is 5519609449. The reversal of 5519609445 is 5449069155.

It is not a de Polignac number, because 5519609445 - 2¹ = 5519609443 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5519609394 and 5519609403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5519609441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4976551 + ... + 4977659.

It is an arithmetic number, because the mean of its divisors is an integer number (159680160).

Almost surely, 2^5519609445 is an apocalyptic number.

It is an amenable number.

5519609445 is a deficient number, since it is larger than the sum of its proper divisors (4699920795).

5519609445 is a wasteful number, since it uses less digits than its factorization.

5519609445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674.

The product of its (nonzero) digits is 972000, while the sum is 48.

The square root of 5519609445 is about 74294.0740907375. The cubic root of 5519609445 is about 1767.2695028081.

The spelling of 5519609445 in words is "five billion, five hundred nineteen million, six hundred nine thousand, four hundred forty-five".