12965796449 has 8 divisors (see below), whose sum is σ = 13108729920. Its totient is φ = 12823299216.

The previous prime is 12965796409. The next prime is 12965796451. The reversal of 12965796449 is 94469756921.

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

It is a cyclic number.

It is not a de Polignac number, because 12965796449 - 2²⁴ = 12949019233 is a prime.

It is a super-2 number, since 2×12965796449² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12965796391 and 12965796400.

It is not an unprimeable number, because it can be changed into a prime (12965796409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49109 + ... + 168354.

It is an arithmetic number, because the mean of its divisors is an integer number (1638591240).

Almost surely, 2^12965796449 is an apocalyptic number.

It is an amenable number.

12965796449 is a deficient number, since it is larger than the sum of its proper divisors (142933471).

12965796449 is a wasteful number, since it uses less digits than its factorization.

12965796449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218119.

The product of its digits is 29393280, while the sum is 62.

The spelling of 12965796449 in words is "twelve billion, nine hundred sixty-five million, seven hundred ninety-six thousand, four hundred forty-nine".