13178425441 has 4 divisors (see below), whose sum is σ = 13872026800. Its totient is φ = 12484824084.

The previous prime is 13178425423. The next prime is 13178425453. The reversal of 13178425441 is 14452487131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14452487131 = 59 ⋅244957409.

It is a cyclic number.

It is not a de Polignac number, because 13178425441 - 2¹⁷ = 13178294369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13178425394 and 13178425403.

It is not an unprimeable number, because it can be changed into a prime (13178425471) 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, 346800651 + ... + 346800688.

It is an arithmetic number, because the mean of its divisors is an integer number (3468006700).

Almost surely, 2^13178425441 is an apocalyptic number.

It is an amenable number.

13178425441 is a deficient number, since it is larger than the sum of its proper divisors (693601359).

13178425441 is an equidigital number, since it uses as much as digits as its factorization.

13178425441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693601358.

The product of its digits is 107520, while the sum is 40.

The spelling of 13178425441 in words is "thirteen billion, one hundred seventy-eight million, four hundred twenty-five thousand, four hundred forty-one".