2406620605 has 8 divisors (see below), whose sum is σ = 2898682200. Its totient is φ = 1918138176.

The previous prime is 2406620599. The next prime is 2406620633. The reversal of 2406620605 is 5060266042.

It can be written as a sum of positive squares in 4 ways, for example, as 54952569 + 2351668036 = 7413^2 + 48494^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2406620605 - 2¹³ = 2406612413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893310 + ... + 895999.

It is an arithmetic number, because the mean of its divisors is an integer number (362335275).

Almost surely, 2^2406620605 is an apocalyptic number.

It is an amenable number.

2406620605 is a deficient number, since it is larger than the sum of its proper divisors (492061595).

2406620605 is a wasteful number, since it uses less digits than its factorization.

2406620605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789583.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2406620605 is about 49057.3195863777. The cubic root of 2406620605 is about 1340.0958951570.

Adding to 2406620605 its reverse (5060266042), we get a palindrome (7466886647).

The spelling of 2406620605 in words is "two billion, four hundred six million, six hundred twenty thousand, six hundred five".