531696589927 has 2 divisors, whose sum is σ = 531696589928. Its totient is φ = 531696589926.

The previous prime is 531696589909. The next prime is 531696590053. The reversal of 531696589927 is 729985696135.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531696589927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531696589427) 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, 265848294963 + 265848294964.

It is an arithmetic number, because the mean of its divisors is an integer number (265848294964).

Almost surely, 2^531696589927 is an apocalyptic number.

531696589927 is a deficient number, since it is larger than the sum of its proper divisors (1).

531696589927 is an equidigital number, since it uses as much as digits as its factorization.

531696589927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 220449600, while the sum is 70.

The spelling of 531696589927 in words is "five hundred thirty-one billion, six hundred ninety-six million, five hundred eighty-nine thousand, nine hundred twenty-seven".