5609199780 has 60 divisors (see below), whose sum is σ = 17596272540. Its totient is φ = 1495786176.

The previous prime is 5609199767. The next prime is 5609199781. The reversal of 5609199780 is 879919065.

5609199780 is a `hidden beast` number, since 560 + 9 + 1 + 9 + 9 + 78 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3577714596 + 2031485184 = 59814^2 + 45072^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (5609199781) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1729615 + ... + 1732854.

It is an arithmetic number, because the mean of its divisors is an integer number (293271209).

Almost surely, 2^5609199780 is an apocalyptic number.

It is an amenable number.

5609199780 is an abundant number, since it is smaller than the sum of its proper divisors (11987072760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5609199780 is a wasteful number, since it uses less digits than its factorization.

5609199780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462490 (or 3462479 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The square root of 5609199780 is about 74894.5911264625. The cubic root of 5609199780 is about 1776.7799144881.

The spelling of 5609199780 in words is "five billion, six hundred nine million, one hundred ninety-nine thousand, seven hundred eighty".