1447945865648 has 10 divisors (see below), whose sum is σ = 2805395114724. Its totient is φ = 723972932816.

The previous prime is 1447945865629. The next prime is 1447945865677. The reversal of 1447945865648 is 8465685497441.

It is a super-3 number, since 3×1447945865648³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45248308286 + ... + 45248308317.

Almost surely, 2^{1447945865648} is an apocalyptic number.

It is an amenable number.

1447945865648 is a deficient number, since it is larger than the sum of its proper divisors (1357449249076).

1447945865648 is an equidigital number, since it uses as much as digits as its factorization.

1447945865648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90496616611 (or 90496616605 counting only the distinct ones).

The product of its digits is 928972800, while the sum is 71.

The spelling of 1447945865648 in words is "one trillion, four hundred forty-seven billion, nine hundred forty-five million, eight hundred sixty-five thousand, six hundred forty-eight".