12769500845 has 8 divisors (see below), whose sum is σ = 15350334840. Its totient is φ = 10197644800.

The previous prime is 12769500827. The next prime is 12769500851. The reversal of 12769500845 is 54800596721.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 48841 + 12769452004 = 221^2 + 113002^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12769500845 - 2¹⁴ = 12769484461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12769500845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2241356 + ... + 2247045.

It is an arithmetic number, because the mean of its divisors is an integer number (1918791855).

Almost surely, 2^12769500845 is an apocalyptic number.

It is an amenable number.

12769500845 is a deficient number, since it is larger than the sum of its proper divisors (2580833995).

12769500845 is an equidigital number, since it uses as much as digits as its factorization.

12769500845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488975.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 12769500845 in words is "twelve billion, seven hundred sixty-nine million, five hundred thousand, eight hundred forty-five".