102144399997 has 2 divisors, whose sum is σ = 102144399998. Its totient is φ = 102144399996.

The previous prime is 102144399979. The next prime is 102144400037. The reversal of 102144399997 is 799993441201.

Together with previous prime (102144399979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60133338841 + 42011061156 = 245221^2 + 204966^2 .

It is an emirp because it is prime and its reverse (799993441201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102144399997 - 2¹⁵ = 102144367229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102144399397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51072199998 + 51072199999.

It is an arithmetic number, because the mean of its divisors is an integer number (51072199999).

Almost surely, 2^102144399997 is an apocalyptic number.

It is an amenable number.

102144399997 is a deficient number, since it is larger than the sum of its proper divisors (1).

102144399997 is an equidigital number, since it uses as much as digits as its factorization.

102144399997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4408992, while the sum is 58.

The spelling of 102144399997 in words is "one hundred two billion, one hundred forty-four million, three hundred ninety-nine thousand, nine hundred ninety-seven".