539930449 has 2 divisors, whose sum is σ = 539930450. Its totient is φ = 539930448.

The previous prime is 539930437. The next prime is 539930471. The reversal of 539930449 is 944039935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 472279824 + 67650625 = 21732^2 + 8225^2 .

It is a cyclic number.

It is not a de Polignac number, because 539930449 - 2¹⁵ = 539897681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 539930399 and 539930408.

It is not a weakly prime, because it can be changed into another prime (539937449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269965224 + 269965225.

It is an arithmetic number, because the mean of its divisors is an integer number (269965225).

Almost surely, 2^539930449 is an apocalyptic number.

It is an amenable number.

539930449 is a deficient number, since it is larger than the sum of its proper divisors (1).

539930449 is an equidigital number, since it uses as much as digits as its factorization.

539930449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 46.

The square root of 539930449 is about 23236.4035298064. The cubic root of 539930449 is about 814.2903222812.

The spelling of 539930449 in words is "five hundred thirty-nine million, nine hundred thirty thousand, four hundred forty-nine".