531032402189 has 2 divisors, whose sum is σ = 531032402190. Its totient is φ = 531032402188.

The previous prime is 531032402149. The next prime is 531032402267. The reversal of 531032402189 is 981204230135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 523090562500 + 7941839689 = 723250^2 + 89117^2 .

It is a cyclic number.

It is not a de Polignac number, because 531032402189 - 2¹² = 531032398093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531032402149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265516201094 + 265516201095.

It is an arithmetic number, because the mean of its divisors is an integer number (265516201095).

Almost surely, 2^531032402189 is an apocalyptic number.

It is an amenable number.

531032402189 is a deficient number, since it is larger than the sum of its proper divisors (1).

531032402189 is an equidigital number, since it uses as much as digits as its factorization.

531032402189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 531032402189 in words is "five hundred thirty-one billion, thirty-two million, four hundred two thousand, one hundred eighty-nine".