12874165919 has 4 divisors (see below), whose sum is σ = 12953148696. Its totient is φ = 12795183144.

The previous prime is 12874165903. The next prime is 12874165937. The reversal of 12874165919 is 91956147821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12874165919 - 2⁴ = 12874165903 is a prime.

It is a super-2 number, since 2×12874165919² (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 (12874165319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39491144 + ... + 39491469.

It is an arithmetic number, because the mean of its divisors is an integer number (3238287174).

Almost surely, 2^12874165919 is an apocalyptic number.

12874165919 is a deficient number, since it is larger than the sum of its proper divisors (78982777).

12874165919 is an equidigital number, since it uses as much as digits as its factorization.

12874165919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78982776.

The product of its digits is 1088640, while the sum is 53.

The spelling of 12874165919 in words is "twelve billion, eight hundred seventy-four million, one hundred sixty-five thousand, nine hundred nineteen".