13473274543 has 2 divisors, whose sum is σ = 13473274544. Its totient is φ = 13473274542.

The previous prime is 13473274519. The next prime is 13473274553. The reversal of 13473274543 is 34547237431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13473274543 is a prime.

It is a super-2 number, since 2×13473274543² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13473274543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13473274553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6736637271 + 6736637272.

It is an arithmetic number, because the mean of its divisors is an integer number (6736637272).

Almost surely, 2^13473274543 is an apocalyptic number.

13473274543 is a deficient number, since it is larger than the sum of its proper divisors (1).

13473274543 is an equidigital number, since it uses as much as digits as its factorization.

13473274543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 43.

The spelling of 13473274543 in words is "thirteen billion, four hundred seventy-three million, two hundred seventy-four thousand, five hundred forty-three".