506068537129 has 4 divisors (see below), whose sum is σ = 507221313280. Its totient is φ = 504915760980.

The previous prime is 506068537099. The next prime is 506068537141. The reversal of 506068537129 is 921735860605.

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 506068537129 - 2²⁹ = 505531666217 is a prime.

It is a super-3 number, since 3×506068537129³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506068537159) 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, 576387417 + ... + 576388294.

It is an arithmetic number, because the mean of its divisors is an integer number (126805328320).

Almost surely, 2^506068537129 is an apocalyptic number.

It is an amenable number.

506068537129 is a deficient number, since it is larger than the sum of its proper divisors (1152776151).

506068537129 is a wasteful number, since it uses less digits than its factorization.

506068537129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152776150.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 506068537129 in words is "five hundred six billion, sixty-eight million, five hundred thirty-seven thousand, one hundred twenty-nine".