539736709 has 2 divisors, whose sum is σ = 539736710. Its totient is φ = 539736708.

The previous prime is 539736707. The next prime is 539736727. The reversal of 539736709 is 907637935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 535922500 + 3814209 = 23150^2 + 1953^2 .

It is a cyclic number.

It is not a de Polignac number, because 539736709 - 2¹ = 539736707 is a prime.

Together with 539736707, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (539736707) 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, 269868354 + 269868355.

It is an arithmetic number, because the mean of its divisors is an integer number (269868355).

Almost surely, 2^539736709 is an apocalyptic number.

It is an amenable number.

539736709 is a deficient number, since it is larger than the sum of its proper divisors (1).

539736709 is an equidigital number, since it uses as much as digits as its factorization.

539736709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1071630, while the sum is 49.

The square root of 539736709 is about 23232.2342662087. The cubic root of 539736709 is about 814.1929149944.

The spelling of 539736709 in words is "five hundred thirty-nine million, seven hundred thirty-six thousand, seven hundred nine".