21743062426 has 8 divisors (see below), whose sum is σ = 32622906420. Its totient is φ = 10868760288.

The previous prime is 21743062399. The next prime is 21743062427. The reversal of 21743062426 is 62426034712.

It can be written as a sum of positive squares in 2 ways, for example, as 16508395225 + 5234667201 = 128485^2 + 72351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (21743062427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375641 + ... + 1391356.

Almost surely, 2^21743062426 is an apocalyptic number.

21743062426 is a deficient number, since it is larger than the sum of its proper divisors (10879843994).

21743062426 is a wasteful number, since it uses less digits than its factorization.

21743062426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770928.

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 21743062426 in words is "twenty-one billion, seven hundred forty-three million, sixty-two thousand, four hundred twenty-six".