539648235897 has 8 divisors (see below), whose sum is σ = 720209148480. Its totient is φ = 359426406960.

The previous prime is 539648235877. The next prime is 539648235937. The reversal of 539648235897 is 798532846935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 539648235897 - 2⁷ = 539648235769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (539648235877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84767197 + ... + 84773562.

It is an arithmetic number, because the mean of its divisors is an integer number (90026143560).

Almost surely, 2^539648235897 is an apocalyptic number.

It is an amenable number.

539648235897 is a deficient number, since it is larger than the sum of its proper divisors (180560912583).

539648235897 is a wasteful number, since it uses less digits than its factorization.

539648235897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169541823.

The product of its digits is 391910400, while the sum is 69.

The spelling of 539648235897 in words is "five hundred thirty-nine billion, six hundred forty-eight million, two hundred thirty-five thousand, eight hundred ninety-seven".