1280696376268 has 12 divisors (see below), whose sum is σ = 2241382430560. Its totient is φ = 640301396112.

The previous prime is 1280696376259. The next prime is 1280696376283. The reversal of 1280696376268 is 8626736960821.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11636388 + ... + 11745931.

Almost surely, 2^{1280696376268} is an apocalyptic number.

It is an amenable number.

1280696376268 is a deficient number, since it is larger than the sum of its proper divisors (960686054292).

1280696376268 is a wasteful number, since it uses less digits than its factorization.

1280696376268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23396016 (or 23396014 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 1280696376268 in words is "one trillion, two hundred eighty billion, six hundred ninety-six million, three hundred seventy-six thousand, two hundred sixty-eight".