21050414410 has 32 divisors (see below), whose sum is σ = 38440438272. Its totient is φ = 8298111360.

The previous prime is 21050414351. The next prime is 21050414447. The reversal of 21050414410 is 1441405012.

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, 2307919 + ... + 2317021.

It is an arithmetic number, because the mean of its divisors is an integer number (1201263696).

Almost surely, 2^21050414410 is an apocalyptic number.

21050414410 is a deficient number, since it is larger than the sum of its proper divisors (17390023862).

21050414410 is a wasteful number, since it uses less digits than its factorization.

21050414410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12438.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 21050414410 its reverse (1441405012), we get a palindrome (22491819422).

The spelling of 21050414410 in words is "twenty-one billion, fifty million, four hundred fourteen thousand, four hundred ten".