102193744165543 has 2 divisors, whose sum is σ = 102193744165544. Its totient is φ = 102193744165542.

The previous prime is 102193744165537. The next prime is 102193744165553. The reversal of 102193744165543 is 345561447391201.

It is a weak prime.

It is an emirp because it is prime and its reverse (345561447391201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102193744165543 is a prime.

It is a super-2 number, since 2×102193744165543² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102193744165553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51096872082771 + 51096872082772.

It is an arithmetic number, because the mean of its divisors is an integer number (51096872082772).

Almost surely, 2^{102193744165543} is an apocalyptic number.

102193744165543 is a deficient number, since it is larger than the sum of its proper divisors (1).

102193744165543 is an equidigital number, since it uses as much as digits as its factorization.

102193744165543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 102193744165543 in words is "one hundred two trillion, one hundred ninety-three billion, seven hundred forty-four million, one hundred sixty-five thousand, five hundred forty-three".