12794250919 has 4 divisors (see below), whose sum is σ = 12794478696. Its totient is φ = 12794023144.

The previous prime is 12794250893. The next prime is 12794250967. The reversal of 12794250919 is 91905249721.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 91905249721 = 95713 ⋅960217.

It is a cyclic number.

It is not a de Polignac number, because 12794250919 - 2²¹ = 12792153767 is a prime.

It is a super-2 number, since 2×12794250919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12794250619) 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, 37032 + ... + 164194.

It is an arithmetic number, because the mean of its divisors is an integer number (3198619674).

Almost surely, 2^12794250919 is an apocalyptic number.

12794250919 is a deficient number, since it is larger than the sum of its proper divisors (227777).

12794250919 is a wasteful number, since it uses less digits than its factorization.

12794250919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227776.

The product of its (nonzero) digits is 408240, while the sum is 49.

The spelling of 12794250919 in words is "twelve billion, seven hundred ninety-four million, two hundred fifty thousand, nine hundred nineteen".