12974894669 has 16 divisors (see below), whose sum is σ = 14647633920. Its totient is φ = 11384640960.

The previous prime is 12974894657. The next prime is 12974894677. The reversal of 12974894669 is 96649847921.

12974894669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12974894669 is a prime.

It is a super-2 number, since 2×12974894669² (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 (12974894609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1260347 + ... + 1270599.

It is an arithmetic number, because the mean of its divisors is an integer number (915477120).

Almost surely, 2^12974894669 is an apocalyptic number.

It is an amenable number.

12974894669 is a deficient number, since it is larger than the sum of its proper divisors (1672739251).

12974894669 is a wasteful number, since it uses less digits than its factorization.

12974894669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14260.

The product of its digits is 47029248, while the sum is 65.

The spelling of 12974894669 in words is "twelve billion, nine hundred seventy-four million, eight hundred ninety-four thousand, six hundred sixty-nine".