13475543129 has 8 divisors (see below), whose sum is σ = 13954514760. Its totient is φ = 12997524736.

The previous prime is 13475543099. The next prime is 13475543141. The reversal of 13475543129 is 92134557431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3204126025 + 10271417104 = 56605^2 + 101348^2 .

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 13475543129 - 2¹⁶ = 13475477593 is a prime.

It is a super-2 number, since 2×13475543129² (a number of 21 digits) contains 22 as substring.

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 13475543129.

It is not an unprimeable number, because it can be changed into a prime (13475543189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209474 + ... + 266139.

It is an arithmetic number, because the mean of its divisors is an integer number (1744314345).

Almost surely, 2^13475543129 is an apocalyptic number.

It is an amenable number.

13475543129 is a deficient number, since it is larger than the sum of its proper divisors (478971631).

13475543129 is an equidigital number, since it uses as much as digits as its factorization.

13475543129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476619.

The product of its digits is 453600, while the sum is 44.

The spelling of 13475543129 in words is "thirteen billion, four hundred seventy-five million, five hundred forty-three thousand, one hundred twenty-nine".