505130297759 has 4 divisors (see below), whose sum is σ = 534843844704. Its totient is φ = 475416750816.

The previous prime is 505130297731. The next prime is 505130297801. The reversal of 505130297759 is 957792031505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 957792031505 = 5 ⋅191558406301.

It is a cyclic number.

It is not a de Polignac number, because 505130297759 - 2²⁴ = 505113520543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505130297759.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505130297059) 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, 14856773447 + ... + 14856773480.

It is an arithmetic number, because the mean of its divisors is an integer number (133710961176).

Almost surely, 2^505130297759 is an apocalyptic number.

505130297759 is a deficient number, since it is larger than the sum of its proper divisors (29713546945).

505130297759 is a wasteful number, since it uses less digits than its factorization.

505130297759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29713546944.

The product of its (nonzero) digits is 2976750, while the sum is 53.

The spelling of 505130297759 in words is "five hundred five billion, one hundred thirty million, two hundred ninety-seven thousand, seven hundred fifty-nine".