13187047363 has 4 divisors (see below), whose sum is σ = 15070911280. Its totient is φ = 11303183448.

The previous prime is 13187047333. The next prime is 13187047381. The reversal of 13187047363 is 36374078131.

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 13187047363 - 2³³ = 4597112771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13187047333) 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, 941931948 + ... + 941931961.

It is an arithmetic number, because the mean of its divisors is an integer number (3767727820).

Almost surely, 2^13187047363 is an apocalyptic number.

13187047363 is a deficient number, since it is larger than the sum of its proper divisors (1883863917).

13187047363 is an equidigital number, since it uses as much as digits as its factorization.

13187047363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883863916.

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 13187047363 in words is "thirteen billion, one hundred eighty-seven million, forty-seven thousand, three hundred sixty-three".