507338506685 has 8 divisors (see below), whose sum is σ = 629799525720. Its totient is φ = 391875260224.

The previous prime is 507338506681. The next prime is 507338506687. The reversal of 507338506685 is 586605833705.

It can be written as a sum of positive squares in 4 ways, for example, as 95977898809 + 411360607876 = 309803^2 + 641374^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 507338506685 - 2² = 507338506681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 507338506685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507338506681) 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, 1749442982 + ... + 1749443271.

It is an arithmetic number, because the mean of its divisors is an integer number (78724940715).

Almost surely, 2^507338506685 is an apocalyptic number.

It is an amenable number.

507338506685 is a deficient number, since it is larger than the sum of its proper divisors (122461019035).

507338506685 is a wasteful number, since it uses less digits than its factorization.

507338506685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498886287.

The product of its (nonzero) digits is 18144000, while the sum is 56.

The spelling of 507338506685 in words is "five hundred seven billion, three hundred thirty-eight million, five hundred six thousand, six hundred eighty-five".