21104204314 has 4 divisors (see below), whose sum is σ = 31656306474. Its totient is φ = 10552102156.

The previous prime is 21104204237. The next prime is 21104204321. The reversal of 21104204314 is 41340240112.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 21102501289 + 1703025 = 145267^2 + 1305^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5276051077 + ... + 5276051080.

Almost surely, 2^21104204314 is an apocalyptic number.

21104204314 is a deficient number, since it is larger than the sum of its proper divisors (10552102160).

21104204314 is a wasteful number, since it uses less digits than its factorization.

21104204314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10552102159.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21104204314 its reverse (41340240112), we get a palindrome (62444444426).

The spelling of 21104204314 in words is "twenty-one billion, one hundred four million, two hundred four thousand, three hundred fourteen".