505331937713 has 2 divisors, whose sum is σ = 505331937714. Its totient is φ = 505331937712.

The previous prime is 505331937701. The next prime is 505331937767. The reversal of 505331937713 is 317739133505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 491803456369 + 13528481344 = 701287^2 + 116312^2 .

It is a cyclic number.

It is not a de Polignac number, because 505331937713 - 2⁴ = 505331937697 is a prime.

It is not a weakly prime, because it can be changed into another prime (505331937793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252665968856 + 252665968857.

It is an arithmetic number, because the mean of its divisors is an integer number (252665968857).

Almost surely, 2^505331937713 is an apocalyptic number.

It is an amenable number.

505331937713 is a deficient number, since it is larger than the sum of its proper divisors (1).

505331937713 is an equidigital number, since it uses as much as digits as its factorization.

505331937713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 893025, while the sum is 47.

The spelling of 505331937713 in words is "five hundred five billion, three hundred thirty-one million, nine hundred thirty-seven thousand, seven hundred thirteen".