21714415426 has 16 divisors (see below), whose sum is σ = 35728999488. Its totient is φ = 9815655600.

The previous prime is 21714415417. The next prime is 21714415439. The reversal of 21714415426 is 62451441712.

It is a super-2 number, since 2×21714415426² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2722590 + ... + 2730553.

It is an arithmetic number, because the mean of its divisors is an integer number (2233062468).

Almost surely, 2^21714415426 is an apocalyptic number.

21714415426 is a deficient number, since it is larger than the sum of its proper divisors (14014584062).

21714415426 is a wasteful number, since it uses less digits than its factorization.

21714415426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5453337.

The product of its digits is 53760, while the sum is 37.

The spelling of 21714415426 in words is "twenty-one billion, seven hundred fourteen million, four hundred fifteen thousand, four hundred twenty-six".