12671694519 has 16 divisors (see below), whose sum is σ = 18438936960. Its totient is φ = 7676739360.

The previous prime is 12671694493. The next prime is 12671694521. The reversal of 12671694519 is 91549617621.

It is a happy number.

It is not a de Polignac number, because 12671694519 - 2²⁵ = 12638140087 is a prime.

It is a super-2 number, since 2×12671694519² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12671694559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8169 + ... + 159405.

It is an arithmetic number, because the mean of its divisors is an integer number (1152433560).

Almost surely, 2^12671694519 is an apocalyptic number.

12671694519 is a deficient number, since it is larger than the sum of its proper divisors (5767242441).

12671694519 is a wasteful number, since it uses less digits than its factorization.

12671694519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153790.

The product of its digits is 816480, while the sum is 51.

The spelling of 12671694519 in words is "twelve billion, six hundred seventy-one million, six hundred ninety-four thousand, five hundred nineteen".