506368424993 has 4 divisors (see below), whose sum is σ = 506419372308. Its totient is φ = 506317477680.

The previous prime is 506368424983. The next prime is 506368424999. The reversal of 506368424993 is 399424863605.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70104211984 + 436264213009 = 264772^2 + 660503^2 .

It is a cyclic number.

It is not a de Polignac number, because 506368424993 - 2³⁴ = 489188555809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506368424999) 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, 25458746 + ... + 25478627.

It is an arithmetic number, because the mean of its divisors is an integer number (126604843077).

Almost surely, 2^506368424993 is an apocalyptic number.

It is an amenable number.

506368424993 is a deficient number, since it is larger than the sum of its proper divisors (50947315).

506368424993 is an equidigital number, since it uses as much as digits as its factorization.

506368424993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50947314.

The product of its (nonzero) digits is 33592320, while the sum is 59.

The spelling of 506368424993 in words is "five hundred six billion, three hundred sixty-eight million, four hundred twenty-four thousand, nine hundred ninety-three".