12669453948 has 12 divisors (see below), whose sum is σ = 29562059240. Its totient is φ = 4223151312.

The previous prime is 12669453947. The next prime is 12669453961. The reversal of 12669453948 is 84935496621.

12669453948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12669453943) 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 3 ways as a sum of consecutive naturals, for example, 527893903 + ... + 527893926.

Almost surely, 2^12669453948 is an apocalyptic number.

It is an amenable number.

12669453948 is an abundant number, since it is smaller than the sum of its proper divisors (16892605292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12669453948 is a wasteful number, since it uses less digits than its factorization.

12669453948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055787836 (or 1055787834 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 57.

The spelling of 12669453948 in words is "twelve billion, six hundred sixty-nine million, four hundred fifty-three thousand, nine hundred forty-eight".