537867689 has 2 divisors, whose sum is σ = 537867690. Its totient is φ = 537867688.

The previous prime is 537867679. The next prime is 537867739. The reversal of 537867689 is 986768735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316840000 + 221027689 = 17800^2 + 14867^2 .

It is a cyclic number.

It is not a de Polignac number, because 537867689 - 2²⁰ = 536819113 is a prime.

It is not a weakly prime, because it can be changed into another prime (537867679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268933844 + 268933845.

It is an arithmetic number, because the mean of its divisors is an integer number (268933845).

Almost surely, 2^537867689 is an apocalyptic number.

It is an amenable number.

537867689 is a deficient number, since it is larger than the sum of its proper divisors (1).

537867689 is an equidigital number, since it uses as much as digits as its factorization.

537867689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 59.

The square root of 537867689 is about 23191.9746679751. The cubic root of 537867689 is about 813.2520224449.

The spelling of 537867689 in words is "five hundred thirty-seven million, eight hundred sixty-seven thousand, six hundred eighty-nine".