534350989 has 2 divisors, whose sum is σ = 534350990. Its totient is φ = 534350988.

The previous prime is 534350977. The next prime is 534351007. The reversal of 534350989 is 989053435.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 525097225 + 9253764 = 22915^2 + 3042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-534350989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534350939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267175494 + 267175495.

It is an arithmetic number, because the mean of its divisors is an integer number (267175495).

Almost surely, 2^534350989 is an apocalyptic number.

It is an amenable number.

534350989 is a deficient number, since it is larger than the sum of its proper divisors (1).

534350989 is an equidigital number, since it uses as much as digits as its factorization.

534350989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 534350989 is about 23116.0331588272. The cubic root of 534350989 is about 811.4757373016.

The spelling of 534350989 in words is "five hundred thirty-four million, three hundred fifty thousand, nine hundred eighty-nine".