539618634 has 12 divisors (see below), whose sum is σ = 1169173746. Its totient is φ = 179872872.

The previous prime is 539618621. The next prime is 539618687. The reversal of 539618634 is 436816935.

539618634 is a `hidden beast` number, since 5 + 3 + 9 + 6 + 1 + 8 + 634 = 666.

It can be written as a sum of positive squares in only one way, i.e., 479478609 + 60140025 = 21897^2 + 7755^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 539618634.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 14989389 + ... + 14989424.

Almost surely, 2^539618634 is an apocalyptic number.

539618634 is an abundant number, since it is smaller than the sum of its proper divisors (629555112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

539618634 is a wasteful number, since it uses less digits than its factorization.

539618634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29978821 (or 29978818 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 539618634 is about 23229.6929381342. The cubic root of 539618634 is about 814.1335386120.

The spelling of 539618634 in words is "five hundred thirty-nine million, six hundred eighteen thousand, six hundred thirty-four".