512426006042321 has 4 divisors (see below), whose sum is σ = 585629721191232. Its totient is φ = 439222290893412.

The previous prime is 512426006042299. The next prime is 512426006042323. The reversal of 512426006042321 is 123240600624215.

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 512426006042321 - 2²⁶ = 512425938933457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512426006042323) 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, 36601857574445 + ... + 36601857574458.

It is an arithmetic number, because the mean of its divisors is an integer number (146407430297808).

Almost surely, 2^{512426006042321} is an apocalyptic number.

It is an amenable number.

512426006042321 is a deficient number, since it is larger than the sum of its proper divisors (73203715148911).

512426006042321 is an equidigital number, since it uses as much as digits as its factorization.

512426006042321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73203715148910.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 512426006042321 its reverse (123240600624215), we get a palindrome (635666606666536).

The spelling of 512426006042321 in words is "five hundred twelve trillion, four hundred twenty-six billion, six million, forty-two thousand, three hundred twenty-one".