537819109 has 2 divisors, whose sum is σ = 537819110. Its totient is φ = 537819108.

The previous prime is 537819101. The next prime is 537819173. The reversal of 537819109 is 901918735.

537819109 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., 467510884 + 70308225 = 21622^2 + 8385^2 .

It is a cyclic number.

It is not a de Polignac number, because 537819109 - 2³ = 537819101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537819101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268909554 + 268909555.

It is an arithmetic number, because the mean of its divisors is an integer number (268909555).

Almost surely, 2^537819109 is an apocalyptic number.

It is an amenable number.

537819109 is a deficient number, since it is larger than the sum of its proper divisors (1).

537819109 is an equidigital number, since it uses as much as digits as its factorization.

537819109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 537819109 is about 23190.9272992694. The cubic root of 537819109 is about 813.2275375058.

The spelling of 537819109 in words is "five hundred thirty-seven million, eight hundred nineteen thousand, one hundred nine".