21413022304 has 12 divisors (see below), whose sum is σ = 42156887724. Its totient is φ = 10706511136.

The previous prime is 21413022269. The next prime is 21413022313. The reversal of 21413022304 is 40322031412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334578442 + ... + 334578505.

It is an arithmetic number, because the mean of its divisors is an integer number (3513073977).

Almost surely, 2^21413022304 is an apocalyptic number.

It is an amenable number.

21413022304 is a deficient number, since it is larger than the sum of its proper divisors (20743865420).

21413022304 is an equidigital number, since it uses as much as digits as its factorization.

21413022304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669156957 (or 669156949 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21413022304 its reverse (40322031412), we get a palindrome (61735053716).

The spelling of 21413022304 in words is "twenty-one billion, four hundred thirteen million, twenty-two thousand, three hundred four".