2421305634 has 32 divisors (see below), whose sum is σ = 5512541184. Its totient is φ = 701827280.

The previous prime is 2421305591. The next prime is 2421305639. The reversal of 2421305634 is 4365031242.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2421305639) 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, 796014 + ... + 799049.

It is an arithmetic number, because the mean of its divisors is an integer number (172266912).

Almost surely, 2^2421305634 is an apocalyptic number.

2421305634 is an abundant number, since it is smaller than the sum of its proper divisors (3091235550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2421305634 is a wasteful number, since it uses less digits than its factorization.

2421305634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595102.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 2421305634 is about 49206.7641081996. The cubic root of 2421305634 is about 1342.8160933269.

Adding to 2421305634 its reverse (4365031242), we get a palindrome (6786336876).

The spelling of 2421305634 in words is "two billion, four hundred twenty-one million, three hundred five thousand, six hundred thirty-four".