1446869447 has 4 divisors (see below), whose sum is σ = 1447114920. Its totient is φ = 1446623976.

The previous prime is 1446869401. The next prime is 1446869491. The reversal of 1446869447 is 7449686441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7449686441 = 5189 ⋅1435669.

It is a cyclic number.

It is not a de Polignac number, because 1446869447 - 2⁶ = 1446869383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1446869747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113672 + ... + 125757.

It is an arithmetic number, because the mean of its divisors is an integer number (361778730).

Almost surely, 2^1446869447 is an apocalyptic number.

1446869447 is a deficient number, since it is larger than the sum of its proper divisors (245473).

1446869447 is an equidigital number, since it uses as much as digits as its factorization.

1446869447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245472.

The product of its digits is 4644864, while the sum is 53.

The square root of 1446869447 is about 38037.7371435263. The cubic root of 1446869447 is about 1131.0360526912.

The spelling of 1446869447 in words is "one billion, four hundred forty-six million, eight hundred sixty-nine thousand, four hundred forty-seven".