12435458789 has 16 divisors (see below), whose sum is σ = 14107154880. Its totient is φ = 10866804480.

The previous prime is 12435458729. The next prime is 12435458813. The reversal of 12435458789 is 98785453421.

12435458789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12435458789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12435458729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334829 + ... + 370109.

It is an arithmetic number, because the mean of its divisors is an integer number (881697180).

Almost surely, 2^12435458789 is an apocalyptic number.

12435458789 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12435458789 is a deficient number, since it is larger than the sum of its proper divisors (1671696091).

12435458789 is a wasteful number, since it uses less digits than its factorization.

12435458789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36740.

The product of its digits is 9676800, while the sum is 56.

The spelling of 12435458789 in words is "twelve billion, four hundred thirty-five million, four hundred fifty-eight thousand, seven hundred eighty-nine".