13243434720475 has 48 divisors (see below), whose sum is σ = 17894576325600. Its totient is φ = 9684337259520.

The previous prime is 13243434720431. The next prime is 13243434720491. The reversal of 13243434720475 is 57402743434231.

It is not a de Polignac number, because 13243434720475 - 2²³ = 13243426331867 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19684239 + ... + 20345911.

It is an arithmetic number, because the mean of its divisors is an integer number (372803673450).

Almost surely, 2^{13243434720475} is an apocalyptic number.

13243434720475 is a deficient number, since it is larger than the sum of its proper divisors (4651141605125).

13243434720475 is a wasteful number, since it uses less digits than its factorization.

13243434720475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663184 (or 663179 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 49.

The spelling of 13243434720475 in words is "thirteen trillion, two hundred forty-three billion, four hundred thirty-four million, seven hundred twenty thousand, four hundred seventy-five".