2305421630 has 16 divisors (see below), whose sum is σ = 4150314720. Its totient is φ = 922045152.

The previous prime is 2305421603. The next prime is 2305421647. The reversal of 2305421630 is 361245032.

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 2305421630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117356 + ... + 135584.

It is an arithmetic number, because the mean of its divisors is an integer number (259394670).

Almost surely, 2^2305421630 is an apocalyptic number.

2305421630 is a deficient number, since it is larger than the sum of its proper divisors (1844893090).

2305421630 is a wasteful number, since it uses less digits than its factorization.

2305421630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30883.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2305421630 is about 48014.8063622046. The cubic root of 2305421630 is about 1321.0424941007.

Adding to 2305421630 its reverse (361245032), we get a palindrome (2666666662).

The spelling of 2305421630 in words is "two billion, three hundred five million, four hundred twenty-one thousand, six hundred thirty".