21414433210 has 24 divisors (see below), whose sum is σ = 38903072796. Its totient is φ = 8487141120.

The previous prime is 21414433169. The next prime is 21414433219. The reversal of 21414433210 is 1233441412.

It can be written as a sum of positive squares in 6 ways, for example, as 6679629441 + 14734803769 = 81729^2 + 121387^2 .

It is not an unprimeable number, because it can be changed into a prime (21414433219) 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 11 ways as a sum of consecutive naturals, for example, 28690 + ... + 208930.

Almost surely, 2^21414433210 is an apocalyptic number.

21414433210 is a deficient number, since it is larger than the sum of its proper divisors (17488639586).

21414433210 is a wasteful number, since it uses less digits than its factorization.

21414433210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180466 (or 180357 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21414433210 its reverse (1233441412), we get a palindrome (22647874622).

The spelling of 21414433210 in words is "twenty-one billion, four hundred fourteen million, four hundred thirty-three thousand, two hundred ten".