13481477758243 has 4 divisors (see below), whose sum is σ = 14707066645368. Its totient is φ = 12255888871120.

The previous prime is 13481477758237. The next prime is 13481477758277. The reversal of 13481477758243 is 34285777418431.

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 13481477758243 - 2⁹ = 13481477757731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13481477758543) 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, 612794443546 + ... + 612794443567.

It is an arithmetic number, because the mean of its divisors is an integer number (3676766661342).

Almost surely, 2^{13481477758243} is an apocalyptic number.

13481477758243 is a deficient number, since it is larger than the sum of its proper divisors (1225588887125).

13481477758243 is a wasteful number, since it uses less digits than its factorization.

13481477758243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225588887124.

The product of its digits is 126443520, while the sum is 64.

The spelling of 13481477758243 in words is "thirteen trillion, four hundred eighty-one billion, four hundred seventy-seven million, seven hundred fifty-eight thousand, two hundred forty-three".