1446981353 has 4 divisors (see below), whose sum is σ = 1455646080. Its totient is φ = 1438316628.

The previous prime is 1446981331. The next prime is 1446981373. The reversal of 1446981353 is 3531896441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3531896441 = 479 ⋅7373479.

It is a cyclic number.

It is not a de Polignac number, because 1446981353 - 2¹⁶ = 1446915817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1446981323) 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, 4332113 + ... + 4332446.

It is an arithmetic number, because the mean of its divisors is an integer number (363911520).

Almost surely, 2^1446981353 is an apocalyptic number.

It is an amenable number.

1446981353 is a deficient number, since it is larger than the sum of its proper divisors (8664727).

1446981353 is an equidigital number, since it uses as much as digits as its factorization.

1446981353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8664726.

The product of its digits is 311040, while the sum is 44.

The square root of 1446981353 is about 38039.2081016417. The cubic root of 1446981353 is about 1131.0652113823.

The spelling of 1446981353 in words is "one billion, four hundred forty-six million, nine hundred eighty-one thousand, three hundred fifty-three".