530245443989 has 2 divisors, whose sum is σ = 530245443990. Its totient is φ = 530245443988.

The previous prime is 530245443983. The next prime is 530245444067. The reversal of 530245443989 is 989344542035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 523350964900 + 6894479089 = 723430^2 + 83033^2 .

It is a cyclic number.

It is not a de Polignac number, because 530245443989 - 2³² = 525950476693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530245443983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265122721994 + 265122721995.

It is an arithmetic number, because the mean of its divisors is an integer number (265122721995).

Almost surely, 2^530245443989 is an apocalyptic number.

It is an amenable number.

530245443989 is a deficient number, since it is larger than the sum of its proper divisors (1).

530245443989 is an equidigital number, since it uses as much as digits as its factorization.

530245443989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 530245443989 in words is "five hundred thirty billion, two hundred forty-five million, four hundred forty-three thousand, nine hundred eighty-nine".