21301143414 has 16 divisors (see below), whose sum is σ = 42752828352. Its totient is φ = 7075290888.

The previous prime is 21301143389. The next prime is 21301143431. The reversal of 21301143414 is 41434110312.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6270724 + ... + 6274119.

It is an arithmetic number, because the mean of its divisors is an integer number (2672051772).

Almost surely, 2^21301143414 is an apocalyptic number.

21301143414 is an abundant number, since it is smaller than the sum of its proper divisors (21451684938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21301143414 is a wasteful number, since it uses less digits than its factorization.

21301143414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12545131.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21301143414 its reverse (41434110312), we get a palindrome (62735253726).

The spelling of 21301143414 in words is "twenty-one billion, three hundred one million, one hundred forty-three thousand, four hundred fourteen".