5605891973999 has 2 divisors, whose sum is σ = 5605891974000. Its totient is φ = 5605891973998.

The previous prime is 5605891973989. The next prime is 5605891974043. The reversal of 5605891973999 is 9993791985065.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5605891973999 - 2¹² = 5605891969903 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5605891973959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802945986999 + 2802945987000.

It is an arithmetic number, because the mean of its divisors is an integer number (2802945987000).

Almost surely, 2^{5605891973999} is an apocalyptic number.

5605891973999 is a deficient number, since it is larger than the sum of its proper divisors (1).

5605891973999 is an equidigital number, since it uses as much as digits as its factorization.

5605891973999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1488034800, while the sum is 80.

The spelling of 5605891973999 in words is "five trillion, six hundred five billion, eight hundred ninety-one million, nine hundred seventy-three thousand, nine hundred ninety-nine".