21304042413014 has 4 divisors (see below), whose sum is σ = 31956063619524. Its totient is φ = 10652021206506.

The previous prime is 21304042413011. The next prime is 21304042413029. The reversal of 21304042413014 is 41031424040312.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21304042413011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5326010603252 + ... + 5326010603255.

It is an arithmetic number, because the mean of its divisors is an integer number (7989015904881).

Almost surely, 2^{21304042413014} is an apocalyptic number.

21304042413014 is a deficient number, since it is larger than the sum of its proper divisors (10652021206510).

21304042413014 is a wasteful number, since it uses less digits than its factorization.

21304042413014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10652021206509.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 21304042413014 its reverse (41031424040312), we get a palindrome (62335466453326).

The spelling of 21304042413014 in words is "twenty-one trillion, three hundred four billion, forty-two million, four hundred thirteen thousand, fourteen".