512426020502453 has 4 divisors (see below), whose sum is σ = 512931870474348. Its totient is φ = 511920170530560.

The previous prime is 512426020502419. The next prime is 512426020502467. The reversal of 512426020502453 is 354205020624215.

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 91631282090929 + 420794738411524 = 9572423^2 + 20513282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512426020502453 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 512426020502453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512426020502413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252924984428 + ... + 252924986453.

It is an arithmetic number, because the mean of its divisors is an integer number (128232967618587).

Almost surely, 2^{512426020502453} is an apocalyptic number.

It is an amenable number.

512426020502453 is a deficient number, since it is larger than the sum of its proper divisors (505849971895).

512426020502453 is a wasteful number, since it uses less digits than its factorization.

512426020502453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505849971894.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 512426020502453 in words is "five hundred twelve trillion, four hundred twenty-six billion, twenty million, five hundred two thousand, four hundred fifty-three".