5721434013266 has 8 divisors (see below), whose sum is σ = 8583165364044. Its totient is φ = 2860378891920.

The previous prime is 5721434013241. The next prime is 5721434013287. The reversal of 5721434013266 is 6623104341275.

It can be written as a sum of positive squares in 2 ways, for example, as 4630798421041 + 1090635592225 = 2151929^2 + 1044335^2 .

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

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 169036205 + ... + 169070048.

Almost surely, 2^{5721434013266} is an apocalyptic number.

5721434013266 is a deficient number, since it is larger than the sum of its proper divisors (2861731350778).

5721434013266 is a wasteful number, since it uses less digits than its factorization.

5721434013266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338114716.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 5721434013266 in words is "five trillion, seven hundred twenty-one billion, four hundred thirty-four million, thirteen thousand, two hundred sixty-six".