2147605605 has 48 divisors (see below), whose sum is σ = 3842429760. Its totient is φ = 1109078784.

The previous prime is 2147605571. The next prime is 2147605609. The reversal of 2147605605 is 5065067412.

It is a happy number.

2147605605 is a `hidden beast` number, since 2 + 1 + 47 + 6 + 0 + 5 + 605 = 666.

It is not a de Polignac number, because 2147605605 - 2⁷ = 2147605477 is a prime.

It is a super-2 number, since 2×2147605605² = 9224419669254832050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2147605605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147605609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 171849 + ... + 183921.

It is an arithmetic number, because the mean of its divisors is an integer number (80050620).

Almost surely, 2^2147605605 is an apocalyptic number.

It is an amenable number.

2147605605 is a deficient number, since it is larger than the sum of its proper divisors (1694824155).

2147605605 is a wasteful number, since it uses less digits than its factorization.

2147605605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12210 (or 12207 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 2147605605 is about 46342.2658595801. The cubic root of 2147605605 is about 1290.1835776239.

The spelling of 2147605605 in words is "two billion, one hundred forty-seven million, six hundred five thousand, six hundred five".