5311213424449 has 3 divisors (see below), whose sum is σ = 5311215729057. Its totient is φ = 5311211119842.

The previous prime is 5311213424443. The next prime is 5311213424593. The reversal of 5311213424449 is 9444243121135.

The square root of 5311213424449 is 2304607.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 5311213424449 - 2¹¹ = 5311213422401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5311213424443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1152304 + ... + 3456910.

It is an arithmetic number, because the mean of its divisors is an integer number (1770405243019).

Almost surely, 2^{5311213424449} is an apocalyptic number.

5311213424449 is the 2304607-th square number.

5311213424449 is the 1152304-th centered octagonal number.

It is an amenable number.

5311213424449 is a deficient number, since it is larger than the sum of its proper divisors (2304608).

5311213424449 is an frugal number, since it uses more digits than its factorization.

5311213424449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609214 (or 2304607 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The spelling of 5311213424449 in words is "five trillion, three hundred eleven billion, two hundred thirteen million, four hundred twenty-four thousand, four hundred forty-nine".