5605605361 has 4 divisors (see below), whose sum is σ = 5605755300. Its totient is φ = 5605455424.

The previous prime is 5605605331. The next prime is 5605605377. The reversal of 5605605361 is 1635065065.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 317552400 + 5288052961 = 17820^2 + 72719^2 .

It is a cyclic number.

It is not a de Polignac number, because 5605605361 - 2⁷ = 5605605233 is a prime.

It is a super-2 number, since 2×5605605361² = 62845622926543880642, which contains 22 as substring.

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 5605605361.

It is not an unprimeable number, because it can be changed into a prime (5605605331) 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, 31725 + ... + 110533.

It is an arithmetic number, because the mean of its divisors is an integer number (1401438825).

Almost surely, 2^5605605361 is an apocalyptic number.

It is an amenable number.

5605605361 is a deficient number, since it is larger than the sum of its proper divisors (149939).

5605605361 is an equidigital number, since it uses as much as digits as its factorization.

5605605361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149938.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 5605605361 is about 74870.5907616602. The cubic root of 5605605361 is about 1776.4003085793.

The spelling of 5605605361 in words is "five billion, six hundred five million, six hundred five thousand, three hundred sixty-one".