13430840161 has 4 divisors (see below), whose sum is σ = 13431508272. Its totient is φ = 13430172052.

The previous prime is 13430840119. The next prime is 13430840237. The reversal of 13430840161 is 16104803431.

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 13430840161 - 2¹⁵ = 13430807393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13430840561) 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, 302935 + ... + 344428.

It is an arithmetic number, because the mean of its divisors is an integer number (3357877068).

Almost surely, 2^13430840161 is an apocalyptic number.

It is an amenable number.

13430840161 is a deficient number, since it is larger than the sum of its proper divisors (668111).

13430840161 is an equidigital number, since it uses as much as digits as its factorization.

13430840161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668110.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 13430840161 in words is "thirteen billion, four hundred thirty million, eight hundred forty thousand, one hundred sixty-one".