530243221544 has 32 divisors (see below), whose sum is σ = 1046873052000. Its totient is φ = 251086151232.

The previous prime is 530243221513. The next prime is 530243221549. The reversal of 530243221544 is 445122342035.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (530243221549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97139 + ... + 1034370.

It is an arithmetic number, because the mean of its divisors is an integer number (32714782875).

Almost surely, 2^530243221544 is an apocalyptic number.

It is an amenable number.

530243221544 is a deficient number, since it is larger than the sum of its proper divisors (516629830456).

530243221544 is a wasteful number, since it uses less digits than its factorization.

530243221544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134617 (or 1134613 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 530243221544 its reverse (445122342035), we get a palindrome (975365563579).

The spelling of 530243221544 in words is "five hundred thirty billion, two hundred forty-three million, two hundred twenty-one thousand, five hundred forty-four".