102442511393 has 2 divisors, whose sum is σ = 102442511394. Its totient is φ = 102442511392.

The previous prime is 102442511387. The next prime is 102442511417. The reversal of 102442511393 is 393115244201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68862681889 + 33579829504 = 262417^2 + 183248^2 .

It is a cyclic number.

It is not a de Polignac number, because 102442511393 - 2¹⁴ = 102442495009 is a prime.

It is not a weakly prime, because it can be changed into another prime (102442511363) 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 as a sum of consecutive naturals, namely, 51221255696 + 51221255697.

It is an arithmetic number, because the mean of its divisors is an integer number (51221255697).

Almost surely, 2^102442511393 is an apocalyptic number.

It is an amenable number.

102442511393 is a deficient number, since it is larger than the sum of its proper divisors (1).

102442511393 is an equidigital number, since it uses as much as digits as its factorization.

102442511393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 102442511393 its reverse (393115244201), we get a palindrome (495557755594).

The spelling of 102442511393 in words is "one hundred two billion, four hundred forty-two million, five hundred eleven thousand, three hundred ninety-three".