13770043841 has 4 divisors (see below), whose sum is σ = 13814897712. Its totient is φ = 13725189972.

The previous prime is 13770043829. The next prime is 13770043867. The reversal of 13770043841 is 14834007731.

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.

It is a cyclic number.

It is not a de Polignac number, because 13770043841 - 2¹⁰ = 13770042817 is a prime.

It is a super-2 number, since 2×13770043841² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13770043795 and 13770043804.

It is not an unprimeable number, because it can be changed into a prime (13770043541) 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, 22426475 + ... + 22427088.

It is an arithmetic number, because the mean of its divisors is an integer number (3453724428).

Almost surely, 2^13770043841 is an apocalyptic number.

It is an amenable number.

13770043841 is a deficient number, since it is larger than the sum of its proper divisors (44853871).

13770043841 is an equidigital number, since it uses as much as digits as its factorization.

13770043841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44853870.

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 13770043841 in words is "thirteen billion, seven hundred seventy million, forty-three thousand, eight hundred forty-one".