13255194947 has 4 divisors (see below), whose sum is σ = 13260149136. Its totient is φ = 13250240760.

The previous prime is 13255194913. The next prime is 13255194959. The reversal of 13255194947 is 74949155231.

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 13255194947 - 2²⁰ = 13254146371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13255194895 and 13255194904.

It is not an unprimeable number, because it can be changed into a prime (13255194047) 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, 2473079 + ... + 2478432.

It is an arithmetic number, because the mean of its divisors is an integer number (3315037284).

Almost surely, 2^13255194947 is an apocalyptic number.

13255194947 is a deficient number, since it is larger than the sum of its proper divisors (4954189).

13255194947 is an equidigital number, since it uses as much as digits as its factorization.

13255194947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4954188.

The product of its digits is 1360800, while the sum is 50.

The spelling of 13255194947 in words is "thirteen billion, two hundred fifty-five million, one hundred ninety-four thousand, nine hundred forty-seven".