538942889 has 2 divisors, whose sum is σ = 538942890. Its totient is φ = 538942888.

The previous prime is 538942883. The next prime is 538942903. The reversal of 538942889 is 988249835.

538942889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349054489 + 189888400 = 18683^2 + 13780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538942889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (538942883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269471444 + 269471445.

It is an arithmetic number, because the mean of its divisors is an integer number (269471445).

Almost surely, 2^538942889 is an apocalyptic number.

It is an amenable number.

538942889 is a deficient number, since it is larger than the sum of its proper divisors (1).

538942889 is an equidigital number, since it uses as much as digits as its factorization.

538942889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 56.

The square root of 538942889 is about 23215.1435274478. The cubic root of 538942889 is about 813.7935599455.

The spelling of 538942889 in words is "five hundred thirty-eight million, nine hundred forty-two thousand, eight hundred eighty-nine".