5605307646391 has 2 divisors, whose sum is σ = 5605307646392. Its totient is φ = 5605307646390.

The previous prime is 5605307646353. The next prime is 5605307646457. The reversal of 5605307646391 is 1936467035065.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5605307646391 - 2³⁹ = 5055551832503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5605307646331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802653823195 + 2802653823196.

It is an arithmetic number, because the mean of its divisors is an integer number (2802653823196).

Almost surely, 2^{5605307646391} is an apocalyptic number.

5605307646391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5605307646391 is an equidigital number, since it uses as much as digits as its factorization.

5605307646391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12247200, while the sum is 55.

The spelling of 5605307646391 in words is "five trillion, six hundred five billion, three hundred seven million, six hundred forty-six thousand, three hundred ninety-one".