1284444484964 has 12 divisors (see below), whose sum is σ = 2247785809584. Its totient is φ = 642219967944.

The previous prime is 1284444484907. The next prime is 1284444485033. The reversal of 1284444484964 is 4694844444821.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1284444484897 and 1284444484906.

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, 1777499 + ... + 2393405.

It is an arithmetic number, because the mean of its divisors is an integer number (187315484132).

Almost surely, 2^{1284444484964} is an apocalyptic number.

It is an amenable number.

1284444484964 is a deficient number, since it is larger than the sum of its proper divisors (963341324620).

1284444484964 is a wasteful number, since it uses less digits than its factorization.

1284444484964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137274 (or 1137272 counting only the distinct ones).

The product of its digits is 113246208, while the sum is 62.

The spelling of 1284444484964 in words is "one trillion, two hundred eighty-four billion, four hundred forty-four million, four hundred eighty-four thousand, nine hundred sixty-four".