13378173343 has 4 divisors (see below), whose sum is σ = 13577847640. Its totient is φ = 13178499048.

The previous prime is 13378173317. The next prime is 13378173371. The reversal of 13378173343 is 34337187331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34337187331 = 1171 ⋅29322961.

It is a cyclic number.

It is not a de Polignac number, because 13378173343 - 2²¹ = 13376076191 is a prime.

It is a super-3 number, since 3×13378173343³ (a number of 31 digits) contains 333 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 13378173343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13378173043) 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, 99837048 + ... + 99837181.

It is an arithmetic number, because the mean of its divisors is an integer number (3394461910).

Almost surely, 2^13378173343 is an apocalyptic number.

13378173343 is a deficient number, since it is larger than the sum of its proper divisors (199674297).

13378173343 is an equidigital number, since it uses as much as digits as its factorization.

13378173343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199674296.

The product of its digits is 381024, while the sum is 43.

The spelling of 13378173343 in words is "thirteen billion, three hundred seventy-eight million, one hundred seventy-three thousand, three hundred forty-three".