21413020414 has 16 divisors (see below), whose sum is σ = 33170474880. Its totient is φ = 10356504480.

The previous prime is 21413020411. The next prime is 21413020423. The reversal of 21413020414 is 41402031412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21413020411) 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 7 ways as a sum of consecutive naturals, for example, 64572 + ... + 216784.

It is an arithmetic number, because the mean of its divisors is an integer number (2073154680).

Almost surely, 2^21413020414 is an apocalyptic number.

21413020414 is a deficient number, since it is larger than the sum of its proper divisors (11757454466).

21413020414 is a wasteful number, since it uses less digits than its factorization.

21413020414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154515.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21413020414 its reverse (41402031412), we get a palindrome (62815051826).

The spelling of 21413020414 in words is "twenty-one billion, four hundred thirteen million, twenty thousand, four hundred fourteen".