539623684065 has 16 divisors (see below), whose sum is σ = 891249440256. Its totient is φ = 278515449600.

The previous prime is 539623684057. The next prime is 539623684069. The reversal of 539623684065 is 560486326935.

It is not a de Polignac number, because 539623684065 - 2³ = 539623684057 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 539623683996 and 539623684014.

It is not an unprimeable number, because it can be changed into a prime (539623684069) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 580240056 + ... + 580240985.

It is an arithmetic number, because the mean of its divisors is an integer number (55703090016).

Almost surely, 2^539623684065 is an apocalyptic number.

It is an amenable number.

539623684065 is a deficient number, since it is larger than the sum of its proper divisors (351625756191).

539623684065 is a wasteful number, since it uses less digits than its factorization.

539623684065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160481080.

The product of its (nonzero) digits is 27993600, while the sum is 57.

The spelling of 539623684065 in words is "five hundred thirty-nine billion, six hundred twenty-three million, six hundred eighty-four thousand, sixty-five".