5247719052391 has 8 divisors (see below), whose sum is σ = 5561787331584. Its totient is φ = 4934248431360.

The previous prime is 5247719052371. The next prime is 5247719052403. The reversal of 5247719052391 is 1932509177425.

5247719052391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 5247719052391 - 2⁷ = 5247719052263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5247719052311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149396455 + ... + 149431576.

It is an arithmetic number, because the mean of its divisors is an integer number (695223416448).

Almost surely, 2^{5247719052391} is an apocalyptic number.

5247719052391 is a deficient number, since it is larger than the sum of its proper divisors (314068279193).

5247719052391 is a wasteful number, since it uses less digits than its factorization.

5247719052391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298829081.

The product of its (nonzero) digits is 4762800, while the sum is 55.

The spelling of 5247719052391 in words is "five trillion, two hundred forty-seven billion, seven hundred nineteen million, fifty-two thousand, three hundred ninety-one".