12434789489 has 4 divisors (see below), whose sum is σ = 12437741040. Its totient is φ = 12431837940.

The previous prime is 12434789461. The next prime is 12434789513. The reversal of 12434789489 is 98498743421.

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 12434789489 - 2¹⁶ = 12434723953 is a prime.

It is a super-2 number, since 2×12434789489² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12434789429) 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, 1469447 + ... + 1477884.

It is an arithmetic number, because the mean of its divisors is an integer number (3109435260).

Almost surely, 2^12434789489 is an apocalyptic number.

It is an amenable number.

12434789489 is a deficient number, since it is larger than the sum of its proper divisors (2951551).

12434789489 is an equidigital number, since it uses as much as digits as its factorization.

12434789489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951550.

The product of its digits is 13934592, while the sum is 59.

The spelling of 12434789489 in words is "twelve billion, four hundred thirty-four million, seven hundred eighty-nine thousand, four hundred eighty-nine".