1441445413 has 4 divisors (see below), whose sum is σ = 1447632108. Its totient is φ = 1435258720.

The previous prime is 1441445407. The next prime is 1441445459. The reversal of 1441445413 is 3145441441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3145441441 = 6781 ⋅463861.

It can be written as a sum of positive squares in 2 ways, for example, as 989542849 + 451902564 = 31457^2 + 21258^2 .

It is a cyclic number.

It is not a de Polignac number, because 1441445413 - 2⁵ = 1441445381 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 (1441445483) by changing a digit.

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, 3092998 + ... + 3093463.

It is an arithmetic number, because the mean of its divisors is an integer number (361908027).

Almost surely, 2^1441445413 is an apocalyptic number.

It is an amenable number.

1441445413 is a deficient number, since it is larger than the sum of its proper divisors (6186695).

1441445413 is an equidigital number, since it uses as much as digits as its factorization.

1441445413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6186694.

The product of its digits is 15360, while the sum is 31.

The square root of 1441445413 is about 37966.3721337712. The cubic root of 1441445413 is about 1129.6209376749.

Adding to 1441445413 its reverse (3145441441), we get a palindrome (4586886854).

The spelling of 1441445413 in words is "one billion, four hundred forty-one million, four hundred forty-five thousand, four hundred thirteen".