1446223664947 has 8 divisors (see below), whose sum is σ = 1538041445136. Its totient is φ = 1355155418112.

The previous prime is 1446223664929. The next prime is 1446223664953. The reversal of 1446223664947 is 7494663226441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1446223664947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1446223664891 and 1446223664900.

It is not an unprimeable number, because it can be changed into a prime (1446223664957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187379358 + ... + 187387075.

It is an arithmetic number, because the mean of its divisors is an integer number (192255180642).

Almost surely, 2^{1446223664947} is an apocalyptic number.

1446223664947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1446223664947 is a deficient number, since it is larger than the sum of its proper divisors (91817780189).

1446223664947 is a wasteful number, since it uses less digits than its factorization.

1446223664947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374766677.

The product of its digits is 41803776, while the sum is 58.

The spelling of 1446223664947 in words is "one trillion, four hundred forty-six billion, two hundred twenty-three million, six hundred sixty-four thousand, nine hundred forty-seven".