2003444253441 has 6 divisors (see below), whose sum is σ = 2893863921650. Its totient is φ = 1335629502288.

The previous prime is 2003444253431. The next prime is 2003444253457. The reversal of 2003444253441 is 1443524443002.

2003444253441 is a `hidden beast` number, since 2 + 0 + 0 + 3 + 44 + 42 + 534 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1961901661041 + 41542592400 = 1400679^2 + 203820^2 .

It is not a de Polignac number, because 2003444253441 - 2⁵ = 2003444253409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003444253396 and 2003444253405.

It is not an unprimeable number, because it can be changed into a prime (2003444253431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111302458516 + ... + 111302458533.

Almost surely, 2^{2003444253441} is an apocalyptic number.

It is an amenable number.

2003444253441 is a deficient number, since it is larger than the sum of its proper divisors (890419668209).

2003444253441 is a wasteful number, since it uses less digits than its factorization.

2003444253441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222604917055 (or 222604917052 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 2003444253441 its reverse (1443524443002), we get a palindrome (3446968696443).

The spelling of 2003444253441 in words is "two trillion, three billion, four hundred forty-four million, two hundred fifty-three thousand, four hundred forty-one".