2723506605 has 16 divisors (see below), whose sum is σ = 4841789760. Its totient is φ = 1452536784.

The previous prime is 2723506579. The next prime is 2723506673. The reversal of 2723506605 is 5066053272.

It is a happy number.

2723506605 is a `hidden beast` number, since 27 + 23 + 5 + 0 + 6 + 605 = 666.

2723506605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2723506605 - 2¹⁴ = 2723490221 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2723506605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10086927 + ... + 10087196.

It is an arithmetic number, because the mean of its divisors is an integer number (302611860).

Almost surely, 2^2723506605 is an apocalyptic number.

It is an amenable number.

2723506605 is a deficient number, since it is larger than the sum of its proper divisors (2118283155).

2723506605 is a wasteful number, since it uses less digits than its factorization.

2723506605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20174137 (or 20174131 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 2723506605 is about 52187.2264543729. The cubic root of 2723506605 is about 1396.5060160500.

Adding to 2723506605 its reverse (5066053272), we get a palindrome (7789559877).

The spelling of 2723506605 in words is "two billion, seven hundred twenty-three million, five hundred six thousand, six hundred five".