21417424010 has 32 divisors (see below), whose sum is σ = 39284324352. Its totient is φ = 8405320320.

The previous prime is 21417423991. The next prime is 21417424081. The reversal of 21417424010 is 1042471412.

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 15 ways as a sum of consecutive naturals, for example, 62627 + ... + 216233.

It is an arithmetic number, because the mean of its divisors is an integer number (1227635136).

Almost surely, 2^21417424010 is an apocalyptic number.

21417424010 is a deficient number, since it is larger than the sum of its proper divisors (17866900342).

21417424010 is a wasteful number, since it uses less digits than its factorization.

21417424010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153878.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 21417424010 its reverse (1042471412), we get a palindrome (22459895422).

The spelling of 21417424010 in words is "twenty-one billion, four hundred seventeen million, four hundred twenty-four thousand, ten".