1447676734645 has 4 divisors (see below), whose sum is σ = 1737212081580. Its totient is φ = 1158141387712.

The previous prime is 1447676734633. The next prime is 1447676734727. The reversal of 1447676734645 is 5464376767441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 340522432849 + 1107154301796 = 583543^2 + 1052214^2 .

It is a cyclic number.

It is not a de Polignac number, because 1447676734645 - 2¹³ = 1447676726453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144767673460 + ... + 144767673469.

It is an arithmetic number, because the mean of its divisors is an integer number (434303020395).

Almost surely, 2^{1447676734645} is an apocalyptic number.

It is an amenable number.

1447676734645 is a deficient number, since it is larger than the sum of its proper divisors (289535346935).

1447676734645 is an equidigital number, since it uses as much as digits as its factorization.

1447676734645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289535346934.

The product of its digits is 284497920, while the sum is 64.

The spelling of 1447676734645 in words is "one trillion, four hundred forty-seven billion, six hundred seventy-six million, seven hundred thirty-four thousand, six hundred forty-five".