1993559308801 has 16 divisors (see below), whose sum is σ = 2102414258304. Its totient is φ = 1886613186304.

The previous prime is 1993559308751. The next prime is 1993559308841. The reversal of 1993559308801 is 1088039553991.

It is a cyclic number.

It is not a de Polignac number, because 1993559308801 - 2³⁷ = 1856120355329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1993559308801.

It is not an unprimeable number, because it can be changed into a prime (1993559308841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759090 + ... + 2136196.

It is an arithmetic number, because the mean of its divisors is an integer number (131400891144).

Almost surely, 2^{1993559308801} is an apocalyptic number.

It is an amenable number.

1993559308801 is a deficient number, since it is larger than the sum of its proper divisors (108854949503).

1993559308801 is a wasteful number, since it uses less digits than its factorization.

1993559308801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377800.

The product of its (nonzero) digits is 10497600, while the sum is 61.

The spelling of 1993559308801 in words is "one trillion, nine hundred ninety-three billion, five hundred fifty-nine million, three hundred eight thousand, eight hundred one".