539671392305 has 32 divisors (see below), whose sum is σ = 661411729440. Its totient is φ = 422605946880.

The previous prime is 539671392287. The next prime is 539671392349. The reversal of 539671392305 is 503293176935.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 313007799841 + 226663592464 = 559471^2 + 476092^2 .

It is not a de Polignac number, because 539671392305 - 2⁸ = 539671392049 is a prime.

It is a super-4 number, since 4×539671392305⁴ (a number of 48 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68717759 + ... + 68725611.

It is an arithmetic number, because the mean of its divisors is an integer number (20669116545).

Almost surely, 2^539671392305 is an apocalyptic number.

It is an amenable number.

539671392305 is a deficient number, since it is larger than the sum of its proper divisors (121740337135).

539671392305 is a wasteful number, since it uses less digits than its factorization.

539671392305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8981.

The product of its (nonzero) digits is 4592700, while the sum is 53.

The spelling of 539671392305 in words is "five hundred thirty-nine billion, six hundred seventy-one million, three hundred ninety-two thousand, three hundred five".