13778441841 has 8 divisors (see below), whose sum is σ = 18403431904. Its totient is φ = 9169539840.

The previous prime is 13778441791. The next prime is 13778441879. The reversal of 13778441841 is 14814487731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13778441841 - 2⁶ = 13778441777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13778441891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4020016 + ... + 4023441.

It is an arithmetic number, because the mean of its divisors is an integer number (2300428988).

Almost surely, 2^13778441841 is an apocalyptic number.

It is an amenable number.

13778441841 is a deficient number, since it is larger than the sum of its proper divisors (4624990063).

13778441841 is an equidigital number, since it uses as much as digits as its factorization.

13778441841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8044031.

The product of its digits is 602112, while the sum is 48.

The spelling of 13778441841 in words is "thirteen billion, seven hundred seventy-eight million, four hundred forty-one thousand, eight hundred forty-one".