530654343781 has 2 divisors, whose sum is σ = 530654343782. Its totient is φ = 530654343780.

The previous prime is 530654343731. The next prime is 530654343787. The reversal of 530654343781 is 187343456035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 523495660900 + 7158682881 = 723530^2 + 84609^2 .

It is a cyclic number.

It is not a de Polignac number, because 530654343781 - 2¹⁵ = 530654311013 is a prime.

It is a super-2 number, since 2×530654343781² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530654343787) 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, 265327171890 + 265327171891.

It is an arithmetic number, because the mean of its divisors is an integer number (265327171891).

Almost surely, 2^530654343781 is an apocalyptic number.

It is an amenable number.

530654343781 is a deficient number, since it is larger than the sum of its proper divisors (1).

530654343781 is an equidigital number, since it uses as much as digits as its factorization.

530654343781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 530654343781 in words is "five hundred thirty billion, six hundred fifty-four million, three hundred forty-three thousand, seven hundred eighty-one".