13471666800469 has 4 divisors (see below), whose sum is σ = 13692513797260. Its totient is φ = 13250819803680.

The previous prime is 13471666800467. The next prime is 13471666800481. The reversal of 13471666800469 is 96400866617431.

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 1104748144900 + 12366918655569 = 1051070^2 + 3516663^2 .

It is a cyclic number.

It is not a de Polignac number, because 13471666800469 - 2¹ = 13471666800467 is a prime.

It is a super-2 number, since 2×13471666800469² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61), and also a Moran number because the ratio is a prime number: 220846996729 = 13471666800469 / (1 + 3 + 4 + 7 + 1 + 6 + 6 + 6 + 8 + 0 + 0 + 4 + 6 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13471666800467) 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, 110423498304 + ... + 110423498425.

It is an arithmetic number, because the mean of its divisors is an integer number (3423128449315).

Almost surely, 2^{13471666800469} is an apocalyptic number.

It is an amenable number.

13471666800469 is a deficient number, since it is larger than the sum of its proper divisors (220846996791).

13471666800469 is an equidigital number, since it uses as much as digits as its factorization.

13471666800469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220846996790.

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 13471666800469 in words is "thirteen trillion, four hundred seventy-one billion, six hundred sixty-six million, eight hundred thousand, four hundred sixty-nine".