537636889 has 2 divisors, whose sum is σ = 537636890. Its totient is φ = 537636888.

The previous prime is 537636871. The next prime is 537636919. The reversal of 537636889 is 988636735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381811600 + 155825289 = 19540^2 + 12483^2 .

It is a cyclic number.

It is not a de Polignac number, because 537636889 - 2⁹ = 537636377 is a prime.

It is not a weakly prime, because it can be changed into another prime (537636809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268818444 + 268818445.

It is an arithmetic number, because the mean of its divisors is an integer number (268818445).

Almost surely, 2^537636889 is an apocalyptic number.

It is an amenable number.

537636889 is a deficient number, since it is larger than the sum of its proper divisors (1).

537636889 is an equidigital number, since it uses as much as digits as its factorization.

537636889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 55.

The square root of 537636889 is about 23186.9982748954. The cubic root of 537636889 is about 813.1356831640.

The spelling of 537636889 in words is "five hundred thirty-seven million, six hundred thirty-six thousand, eight hundred eighty-nine".