539678260522 has 16 divisors (see below), whose sum is σ = 809900607240. Its totient is φ = 269711430912.

The previous prime is 539678260421. The next prime is 539678260579. The reversal of 539678260522 is 225062876935.

It can be written as a sum of positive squares in 4 ways, for example, as 474623167041 + 65055093481 = 688929^2 + 255059^2 .

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 7 ways as a sum of consecutive naturals, for example, 70330878 + ... + 70338550.

Almost surely, 2^539678260522 is an apocalyptic number.

539678260522 is a deficient number, since it is larger than the sum of its proper divisors (270222346718).

539678260522 is a wasteful number, since it uses less digits than its factorization.

539678260522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19737.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 539678260522 in words is "five hundred thirty-nine billion, six hundred seventy-eight million, two hundred sixty thousand, five hundred twenty-two".