214414404421 has 16 divisors (see below), whose sum is σ = 253340835840. Its totient is φ = 177580257840.

The previous prime is 214414404383. The next prime is 214414404427. The reversal of 214414404421 is 124404414412.

It is a cyclic number.

It is not a de Polignac number, because 214414404421 - 2⁹ = 214414403909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214414404427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623191 + ... + 903988.

It is an arithmetic number, because the mean of its divisors is an integer number (15833802240).

Almost surely, 2^214414404421 is an apocalyptic number.

It is an amenable number.

214414404421 is a deficient number, since it is larger than the sum of its proper divisors (38926431419).

214414404421 is a wasteful number, since it uses less digits than its factorization.

214414404421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527864.

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 214414404421 its reverse (124404414412), we get a palindrome (338818818833).

Subtracting from 214414404421 its reverse (124404414412), we obtain a palindrome (90009990009).

The spelling of 214414404421 in words is "two hundred fourteen billion, four hundred fourteen million, four hundred four thousand, four hundred twenty-one".