1284009208964 has 12 divisors (see below), whose sum is σ = 2264709156864. Its totient is φ = 636949449864.

The previous prime is 1284009208961. The next prime is 1284009209011. The reversal of 1284009208964 is 4698029004821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1284009208961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263788084 + ... + 1263789099.

It is an arithmetic number, because the mean of its divisors is an integer number (188725763072).

Almost surely, 2^{1284009208964} is an apocalyptic number.

It is an amenable number.

1284009208964 is a deficient number, since it is larger than the sum of its proper divisors (980699947900).

1284009208964 is a wasteful number, since it uses less digits than its factorization.

1284009208964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527577314 (or 2527577312 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 1284009208964 in words is "one trillion, two hundred eighty-four billion, nine million, two hundred eight thousand, nine hundred sixty-four".