13049278543 has 6 divisors (see below), whose sum is σ = 15179773056. Its totient is φ = 11185095852.

The previous prime is 13049278519. The next prime is 13049278549. The reversal of 13049278543 is 34587294031.

It is not a de Polignac number, because 13049278543 - 2³³ = 4459343951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13049278493 and 13049278502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13049278549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133155855 + ... + 133155952.

It is an arithmetic number, because the mean of its divisors is an integer number (2529962176).

Almost surely, 2^13049278543 is an apocalyptic number.

13049278543 is a deficient number, since it is larger than the sum of its proper divisors (2130494513).

13049278543 is an equidigital number, since it uses as much as digits as its factorization.

13049278543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266311821 (or 266311814 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 13049278543 in words is "thirteen billion, forty-nine million, two hundred seventy-eight thousand, five hundred forty-three".