21045104314 has 8 divisors (see below), whose sum is σ = 33995937780. Its totient is φ = 9713125056.

The previous prime is 21045104309. The next prime is 21045104347. The reversal of 21045104314 is 41340154012.

It can be written as a sum of positive squares in 2 ways, for example, as 20919283225 + 125821089 = 144635^2 + 11217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404713519 + ... + 404713570.

Almost surely, 2^21045104314 is an apocalyptic number.

21045104314 is a deficient number, since it is larger than the sum of its proper divisors (12950833466).

21045104314 is a wasteful number, since it uses less digits than its factorization.

21045104314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809427104.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 21045104314 its reverse (41340154012), we get a palindrome (62385258326).

The spelling of 21045104314 in words is "twenty-one billion, forty-five million, one hundred four thousand, three hundred fourteen".