21410664230 has 32 divisors (see below), whose sum is σ = 39023770464. Its totient is φ = 8456690176.

The previous prime is 21410664203. The next prime is 21410664239. The reversal of 21410664230 is 3246601412.

It is a junction number, because it is equal to n+sod(n) for n = 21410664193 and 21410664202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21410664239) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1930862 + ... + 1941918.

It is an arithmetic number, because the mean of its divisors is an integer number (1219492827).

Almost surely, 2^21410664230 is an apocalyptic number.

21410664230 is a deficient number, since it is larger than the sum of its proper divisors (17613106234).

21410664230 is a wasteful number, since it uses less digits than its factorization.

21410664230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13480.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 21410664230 in words is "twenty-one billion, four hundred ten million, six hundred sixty-four thousand, two hundred thirty".