530422721650631 has 2 divisors, whose sum is σ = 530422721650632. Its totient is φ = 530422721650630.

The previous prime is 530422721650579. The next prime is 530422721650643. The reversal of 530422721650631 is 136056127224035.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530422721650631 is a prime.

It is a super-2 number, since 2×530422721650631² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530422721650691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265211360825315 + 265211360825316.

It is an arithmetic number, because the mean of its divisors is an integer number (265211360825316).

Almost surely, 2^{530422721650631} is an apocalyptic number.

530422721650631 is a deficient number, since it is larger than the sum of its proper divisors (1).

530422721650631 is an equidigital number, since it uses as much as digits as its factorization.

530422721650631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 47.

Adding to 530422721650631 its reverse (136056127224035), we get a palindrome (666478848874666).

The spelling of 530422721650631 in words is "five hundred thirty trillion, four hundred twenty-two billion, seven hundred twenty-one million, six hundred fifty thousand, six hundred thirty-one".