13145504343 has 4 divisors (see below), whose sum is σ = 17527339128. Its totient is φ = 8763669560.

The previous prime is 13145504327. The next prime is 13145504353. The reversal of 13145504343 is 34340554131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13145504343 - 2⁴ = 13145504327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13145504353) 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, 2190917388 + ... + 2190917393.

It is an arithmetic number, because the mean of its divisors is an integer number (4381834782).

Almost surely, 2^13145504343 is an apocalyptic number.

13145504343 is a deficient number, since it is larger than the sum of its proper divisors (4381834785).

13145504343 is an equidigital number, since it uses as much as digits as its factorization.

13145504343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381834784.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 13145504343 in words is "thirteen billion, one hundred forty-five million, five hundred four thousand, three hundred forty-three".