530421664973 has 2 divisors, whose sum is σ = 530421664974. Its totient is φ = 530421664972.

The previous prime is 530421664879. The next prime is 530421665057. The reversal of 530421664973 is 379466124035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 412455519529 + 117966145444 = 642227^2 + 343462^2 .

It is a cyclic number.

It is not a de Polignac number, because 530421664973 - 2¹⁰ = 530421663949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530421664573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265210832486 + 265210832487.

It is an arithmetic number, because the mean of its divisors is an integer number (265210832487).

Almost surely, 2^530421664973 is an apocalyptic number.

It is an amenable number.

530421664973 is a deficient number, since it is larger than the sum of its proper divisors (1).

530421664973 is an equidigital number, since it uses as much as digits as its factorization.

530421664973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 530421664973 in words is "five hundred thirty billion, four hundred twenty-one million, six hundred sixty-four thousand, nine hundred seventy-three".