1268832784947 has 128 divisors (see below), whose sum is σ = 2185522053120. Its totient is φ = 636854400000.

The previous prime is 1268832784907. The next prime is 1268832784949. The reversal of 1268832784947 is 7494872388621.

It is not a de Polignac number, because 1268832784947 - 2⁸ = 1268832784691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1268832784949) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 167809047 + ... + 167816607.

It is an arithmetic number, because the mean of its divisors is an integer number (17074391040).

Almost surely, 2^{1268832784947} is an apocalyptic number.

1268832784947 is a deficient number, since it is larger than the sum of its proper divisors (916689268173).

1268832784947 is a wasteful number, since it uses less digits than its factorization.

1268832784947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7945.

The product of its digits is 260112384, while the sum is 69.

The spelling of 1268832784947 in words is "one trillion, two hundred sixty-eight billion, eight hundred thirty-two million, seven hundred eighty-four thousand, nine hundred forty-seven".