21703354710 has 16 divisors (see below), whose sum is σ = 52088051376. Its totient is φ = 5787561248.

The previous prime is 21703354709. The next prime is 21703354723. The reversal of 21703354710 is 1745330712.

It is a super-3 number, since 3×21703354710³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 361722549 + ... + 361722608.

It is an arithmetic number, because the mean of its divisors is an integer number (3255503211).

Almost surely, 2^21703354710 is an apocalyptic number.

21703354710 is an abundant number, since it is smaller than the sum of its proper divisors (30384696666).

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

21703354710 is a wasteful number, since it uses less digits than its factorization.

21703354710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723445167.

The product of its (nonzero) digits is 17640, while the sum is 33.

The spelling of 21703354710 in words is "twenty-one billion, seven hundred three million, three hundred fifty-four thousand, seven hundred ten".