1993588615069 has 2 divisors, whose sum is σ = 1993588615070. Its totient is φ = 1993588615068.

The previous prime is 1993588614967. The next prime is 1993588615099. The reversal of 1993588615069 is 9605168853991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1861792025625 + 131796589444 = 1364475^2 + 363038^2 .

It is a cyclic number.

It is not a de Polignac number, because 1993588615069 - 2¹⁵ = 1993588582301 is a prime.

It is a super-2 number, since 2×1993588615069² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1993588614989 and 1993588615007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1993588615099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996794307534 + 996794307535.

It is an arithmetic number, because the mean of its divisors is an integer number (996794307535).

Almost surely, 2^{1993588615069} is an apocalyptic number.

It is an amenable number.

1993588615069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1993588615069 is an equidigital number, since it uses as much as digits as its factorization.

1993588615069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125971200, while the sum is 70.

The spelling of 1993588615069 in words is "one trillion, nine hundred ninety-three billion, five hundred eighty-eight million, six hundred fifteen thousand, sixty-nine".