1780568213093 has 2 divisors, whose sum is σ = 1780568213094. Its totient is φ = 1780568213092.

The previous prime is 1780568212993. The next prime is 1780568213111. The reversal of 1780568213093 is 3903128650871.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1719040898884 + 61527314209 = 1311122^2 + 248047^2 .

It is a cyclic number.

It is not a de Polignac number, because 1780568213093 - 2⁸ = 1780568212837 is a prime.

It is a super-2 number, since 2×1780568213093² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1780568293093) 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, 890284106546 + 890284106547.

It is an arithmetic number, because the mean of its divisors is an integer number (890284106547).

Almost surely, 2^{1780568213093} is an apocalyptic number.

It is an amenable number.

1780568213093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1780568213093 is an equidigital number, since it uses as much as digits as its factorization.

1780568213093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 1780568213093 in words is "one trillion, seven hundred eighty billion, five hundred sixty-eight million, two hundred thirteen thousand, ninety-three".