534550789 has 2 divisors, whose sum is σ = 534550790. Its totient is φ = 534550788.

The previous prime is 534550781. The next prime is 534550799. The reversal of 534550789 is 987055435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418816225 + 115734564 = 20465^2 + 10758^2 .

It is a cyclic number.

It is not a de Polignac number, because 534550789 - 2³ = 534550781 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534550781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267275394 + 267275395.

It is an arithmetic number, because the mean of its divisors is an integer number (267275395).

Almost surely, 2^534550789 is an apocalyptic number.

It is an amenable number.

534550789 is a deficient number, since it is larger than the sum of its proper divisors (1).

534550789 is an equidigital number, since it uses as much as digits as its factorization.

534550789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756000, while the sum is 46.

The square root of 534550789 is about 23120.3544306743. The cubic root of 534550789 is about 811.5768647453.

The spelling of 534550789 in words is "five hundred thirty-four million, five hundred fifty thousand, seven hundred eighty-nine".