21434841230 has 32 divisors (see below), whose sum is σ = 42301785600. Its totient is φ = 7755311520.

The previous prime is 21434841223. The next prime is 21434841247. The reversal of 21434841230 is 3214843412.

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 15 ways as a sum of consecutive naturals, for example, 467714 + ... + 511493.

It is an arithmetic number, because the mean of its divisors is an integer number (1321930800).

Almost surely, 2^21434841230 is an apocalyptic number.

21434841230 is a deficient number, since it is larger than the sum of its proper divisors (20866944370).

21434841230 is a wasteful number, since it uses less digits than its factorization.

21434841230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979424.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 21434841230 in words is "twenty-one billion, four hundred thirty-four million, eight hundred forty-one thousand, two hundred thirty".