21744756374114 has 8 divisors (see below), whose sum is σ = 32617156884780. Its totient is φ = 10872370745856.

The previous prime is 21744756374113. The next prime is 21744756374119. The reversal of 21744756374114 is 41147365744712.

It can be written as a sum of positive squares in 2 ways, for example, as 20744226303889 + 1000530070225 = 4554583^2 + 1000265^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 21744756374114.

It is not an unprimeable number, because it can be changed into a prime (21744756374113) 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, 1272122 + ... + 6716234.

Almost surely, 2^{21744756374114} is an apocalyptic number.

21744756374114 is a deficient number, since it is larger than the sum of its proper divisors (10872400510666).

21744756374114 is a wasteful number, since it uses less digits than its factorization.

21744756374114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7441204.

The product of its digits is 15805440, while the sum is 56.

The spelling of 21744756374114 in words is "twenty-one trillion, seven hundred forty-four billion, seven hundred fifty-six million, three hundred seventy-four thousand, one hundred fourteen".