513366630161069 has 8 divisors (see below), whose sum is σ = 545422142017560. Its totient is φ = 482267999255616.

The previous prime is 513366630161057. The next prime is 513366630161071. The reversal of 513366630161069 is 960161036663315.

It can be written as a sum of positive squares in 4 ways, for example, as 109976959260100 + 403389670900969 = 10486990^2 + 20084563^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513366630161069 - 2³⁶ = 513297910684333 is a prime.

It is a super-2 number, since 2×513366630161069² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513366630169069) 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 7 ways as a sum of consecutive naturals, for example, 239220236654 + ... + 239220238799.

It is an arithmetic number, because the mean of its divisors is an integer number (68177767752195).

Almost surely, 2^{513366630161069} is an apocalyptic number.

It is an amenable number.

513366630161069 is a deficient number, since it is larger than the sum of its proper divisors (32055511856491).

513366630161069 is a wasteful number, since it uses less digits than its factorization.

513366630161069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478440475519.

The product of its (nonzero) digits is 9447840, while the sum is 56.

The spelling of 513366630161069 in words is "five hundred thirteen trillion, three hundred sixty-six billion, six hundred thirty million, one hundred sixty-one thousand, sixty-nine".