2421520630 has 32 divisors (see below), whose sum is σ = 4631533344. Its totient is φ = 908391936.

The previous prime is 2421520597. The next prime is 2421520637. The reversal of 2421520630 is 360251242.

2421520630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2421520595 and 2421520604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421520637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22944 + ... + 73276.

It is an arithmetic number, because the mean of its divisors is an integer number (144735417).

Almost surely, 2^2421520630 is an apocalyptic number.

2421520630 is a deficient number, since it is larger than the sum of its proper divisors (2210012714).

2421520630 is a wasteful number, since it uses less digits than its factorization.

2421520630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50640.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2421520630 is about 49208.9486780606. The cubic root of 2421520630 is about 1342.8558365602.

Adding to 2421520630 its reverse (360251242), we get a palindrome (2781771872).

The spelling of 2421520630 in words is "two billion, four hundred twenty-one million, five hundred twenty thousand, six hundred thirty".