5247691334655 has 64 divisors (see below), whose sum is σ = 10468652018688. Its totient is φ = 2180748303360.

The previous prime is 5247691334629. The next prime is 5247691334659. The reversal of 5247691334655 is 5564331967425.

It is a Cunningham number, because it is equal to 2290784²-1.

It is not a de Polignac number, because 5247691334655 - 2²⁴ = 5247674557439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5247691334659) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25094509 + ... + 25302761.

It is an arithmetic number, because the mean of its divisors is an integer number (163572687792).

Almost surely, 2^{5247691334655} is an apocalyptic number.

5247691334655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5247691334655 is a deficient number, since it is larger than the sum of its proper divisors (5220960684033).

5247691334655 is a wasteful number, since it uses less digits than its factorization.

5247691334655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230096.

The product of its digits is 81648000, while the sum is 60.

The spelling of 5247691334655 in words is "five trillion, two hundred forty-seven billion, six hundred ninety-one million, three hundred thirty-four thousand, six hundred fifty-five".