21052352414 has 16 divisors (see below), whose sum is σ = 31725146880. Its totient is φ = 10477359000.

The previous prime is 21052352333. The next prime is 21052352443. The reversal of 21052352414 is 41425325012.

21052352414 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799787 + ... + 825689.

It is an arithmetic number, because the mean of its divisors is an integer number (1982821680).

Almost surely, 2^21052352414 is an apocalyptic number.

21052352414 is a deficient number, since it is larger than the sum of its proper divisors (10672794466).

21052352414 is a wasteful number, since it uses less digits than its factorization.

21052352414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27775.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 21052352414 its reverse (41425325012), we get a palindrome (62477677426).

The spelling of 21052352414 in words is "twenty-one billion, fifty-two million, three hundred fifty-two thousand, four hundred fourteen".