13546346431 has 4 divisors (see below), whose sum is σ = 13547081664. Its totient is φ = 13545611200.

The previous prime is 13546346399. The next prime is 13546346447. The reversal of 13546346431 is 13464364531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13464364531 = 17 ⋅792021443.

It is a cyclic number.

It is not a de Polignac number, because 13546346431 - 2⁵ = 13546346399 is a prime.

It is a super-2 number, since 2×13546346431² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13546346831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339250 + ... + 377071.

It is an arithmetic number, because the mean of its divisors is an integer number (3386770416).

Almost surely, 2^13546346431 is an apocalyptic number.

13546346431 is a deficient number, since it is larger than the sum of its proper divisors (735233).

13546346431 is an equidigital number, since it uses as much as digits as its factorization.

13546346431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735232.

The product of its digits is 311040, while the sum is 40.

The spelling of 13546346431 in words is "thirteen billion, five hundred forty-six million, three hundred forty-six thousand, four hundred thirty-one".