539265220613 has 4 divisors (see below), whose sum is σ = 616303109280. Its totient is φ = 462227331948.

The previous prime is 539265220603. The next prime is 539265220661. The reversal of 539265220613 is 316022562935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 539265220613 - 2²⁴ = 539248443397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539265220603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38518944323 + ... + 38518944336.

It is an arithmetic number, because the mean of its divisors is an integer number (154075777320).

Almost surely, 2^539265220613 is an apocalyptic number.

It is an amenable number.

539265220613 is a deficient number, since it is larger than the sum of its proper divisors (77037888667).

539265220613 is an equidigital number, since it uses as much as digits as its factorization.

539265220613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77037888666.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 539265220613 in words is "five hundred thirty-nine billion, two hundred sixty-five million, two hundred twenty thousand, six hundred thirteen".