102002302447 has 2 divisors, whose sum is σ = 102002302448. Its totient is φ = 102002302446.

The previous prime is 102002302433. The next prime is 102002302471. The reversal of 102002302447 is 744203200201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102002302447 - 2¹⁹ = 102001778159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102002302477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51001151223 + 51001151224.

It is an arithmetic number, because the mean of its divisors is an integer number (51001151224).

Almost surely, 2^102002302447 is an apocalyptic number.

102002302447 is a deficient number, since it is larger than the sum of its proper divisors (1).

102002302447 is an equidigital number, since it uses as much as digits as its factorization.

102002302447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 102002302447 its reverse (744203200201), we get a palindrome (846205502648).

The spelling of 102002302447 in words is "one hundred two billion, two million, three hundred two thousand, four hundred forty-seven".