13840043051 has 4 divisors (see below), whose sum is σ = 13873074600. Its totient is φ = 13807011504.

The previous prime is 13840043039. The next prime is 13840043053. The reversal of 13840043051 is 15034004831.

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 13840043051 - 2⁶ = 13840042987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13840043053) 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, 16515146 + ... + 16515983.

It is an arithmetic number, because the mean of its divisors is an integer number (3468268650).

Almost surely, 2^13840043051 is an apocalyptic number.

13840043051 is a deficient number, since it is larger than the sum of its proper divisors (33031549).

13840043051 is an equidigital number, since it uses as much as digits as its factorization.

13840043051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33031548.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 13840043051 its reverse (15034004831), we get a palindrome (28874047882).

The spelling of 13840043051 in words is "thirteen billion, eight hundred forty million, forty-three thousand, fifty-one".