505807680049 has 16 divisors (see below), whose sum is σ = 614580348672. Its totient is φ = 406874939328.

The previous prime is 505807680013. The next prime is 505807680061. The reversal of 505807680049 is 940086708505.

It is a cyclic number.

It is not a de Polignac number, because 505807680049 - 2¹⁹ = 505807155761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505807679978 and 505807680005.

It is not an unprimeable number, because it can be changed into a prime (505807680449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29629794 + ... + 29646859.

It is an arithmetic number, because the mean of its divisors is an integer number (38411271792).

Almost surely, 2^505807680049 is an apocalyptic number.

It is an amenable number.

505807680049 is a deficient number, since it is larger than the sum of its proper divisors (108772668623).

505807680049 is a wasteful number, since it uses less digits than its factorization.

505807680049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59276736.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 505807680049 in words is "five hundred five billion, eight hundred seven million, six hundred eighty thousand, forty-nine".