12669453957 has 8 divisors (see below), whose sum is σ = 16910792640. Its totient is φ = 8437208960.

The previous prime is 12669453947. The next prime is 12669453961. The reversal of 12669453957 is 75935496621.

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 12669453957 - 2¹⁰ = 12669452933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12669453897 and 12669453906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12669453947) 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, 2270169 + ... + 2275742.

It is an arithmetic number, because the mean of its divisors is an integer number (2113849080).

Almost surely, 2^12669453957 is an apocalyptic number.

It is an amenable number.

12669453957 is a deficient number, since it is larger than the sum of its proper divisors (4241338683).

12669453957 is an equidigital number, since it uses as much as digits as its factorization.

12669453957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546843.

The product of its digits is 12247200, while the sum is 57.

The spelling of 12669453957 in words is "twelve billion, six hundred sixty-nine million, four hundred fifty-three thousand, nine hundred fifty-seven".