21413474327 has 16 divisors (see below), whose sum is σ = 24727872000. Its totient is φ = 18163166112.

The previous prime is 21413474309. The next prime is 21413474351. The reversal of 21413474327 is 72347431412.

It is not a de Polignac number, because 21413474327 - 2⁶ = 21413474263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21413474377) 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 15 ways as a sum of consecutive naturals, for example, 1070873 + ... + 1090685.

It is an arithmetic number, because the mean of its divisors is an integer number (1545492000).

Almost surely, 2^21413474327 is an apocalyptic number.

21413474327 is a deficient number, since it is larger than the sum of its proper divisors (3314397673).

21413474327 is a wasteful number, since it uses less digits than its factorization.

21413474327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21422.

The product of its digits is 112896, while the sum is 38.

The spelling of 21413474327 in words is "twenty-one billion, four hundred thirteen million, four hundred seventy-four thousand, three hundred twenty-seven".