12834865437 has 4 divisors (see below), whose sum is σ = 17113153920. Its totient is φ = 8556576956.

The previous prime is 12834865409. The next prime is 12834865451. The reversal of 12834865437 is 73456843821.

It is a happy number.

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 12834865437 - 2⁸ = 12834865181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12834865437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12834864437) 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, 2139144237 + ... + 2139144242.

It is an arithmetic number, because the mean of its divisors is an integer number (4278288480).

Almost surely, 2^12834865437 is an apocalyptic number.

It is an amenable number.

12834865437 is a deficient number, since it is larger than the sum of its proper divisors (4278288483).

12834865437 is an equidigital number, since it uses as much as digits as its factorization.

12834865437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278288482.

The product of its digits is 3870720, while the sum is 51.

The spelling of 12834865437 in words is "twelve billion, eight hundred thirty-four million, eight hundred sixty-five thousand, four hundred thirty-seven".