12434431411 has 4 divisors (see below), whose sum is σ = 12434656032. Its totient is φ = 12434206792.

The previous prime is 12434431409. The next prime is 12434431423. The reversal of 12434431411 is 11413443421.

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 12434431411 - 2¹ = 12434431409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12434431411.

It is not an unprimeable number, because it can be changed into a prime (12434431211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36081 + ... + 161773.

It is an arithmetic number, because the mean of its divisors is an integer number (3108664008).

Almost surely, 2^12434431411 is an apocalyptic number.

12434431411 is a deficient number, since it is larger than the sum of its proper divisors (224621).

12434431411 is an equidigital number, since it uses as much as digits as its factorization.

12434431411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224620.

The product of its digits is 4608, while the sum is 28.

Adding to 12434431411 its reverse (11413443421), we get a palindrome (23847874832).

The spelling of 12434431411 in words is "twelve billion, four hundred thirty-four million, four hundred thirty-one thousand, four hundred eleven".