102530411549 has 2 divisors, whose sum is σ = 102530411550. Its totient is φ = 102530411548.

The previous prime is 102530411539. The next prime is 102530411587. The reversal of 102530411549 is 945114035201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101262695524 + 1267716025 = 318218^2 + 35605^2 .

It is a cyclic number.

It is not a de Polignac number, because 102530411549 - 2¹² = 102530407453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102530411539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51265205774 + 51265205775.

It is an arithmetic number, because the mean of its divisors is an integer number (51265205775).

Almost surely, 2^102530411549 is an apocalyptic number.

It is an amenable number.

102530411549 is a deficient number, since it is larger than the sum of its proper divisors (1).

102530411549 is an equidigital number, since it uses as much as digits as its factorization.

102530411549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 102530411549 in words is "one hundred two billion, five hundred thirty million, four hundred eleven thousand, five hundred forty-nine".