1443849053 has 4 divisors (see below), whose sum is σ = 1444820220. Its totient is φ = 1442877888.

The previous prime is 1443848933. The next prime is 1443849061. The reversal of 1443849053 is 3509483441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3509483441 = 15161 ⋅231481.

It can be written as a sum of positive squares in 2 ways, for example, as 911254969 + 532594084 = 30187^2 + 23078^2 .

It is a cyclic number.

It is not a de Polignac number, because 1443849053 - 2²⁴ = 1427071837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1443849053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443849073) 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, 483350 + ... + 486327.

It is an arithmetic number, because the mean of its divisors is an integer number (361205055).

Almost surely, 2^1443849053 is an apocalyptic number.

It is an amenable number.

1443849053 is a deficient number, since it is larger than the sum of its proper divisors (971167).

1443849053 is an equidigital number, since it uses as much as digits as its factorization.

1443849053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971166.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 1443849053 is about 37998.0138033556. The cubic root of 1443849053 is about 1130.2484777409.

The spelling of 1443849053 in words is "one billion, four hundred forty-three million, eight hundred forty-nine thousand, fifty-three".