2005444312445 has 64 divisors (see below), whose sum is σ = 2908796866560. Its totient is φ = 1296624153600.

The previous prime is 2005444312393. The next prime is 2005444312451. The reversal of 2005444312445 is 5442134445002.

It is not a de Polignac number, because 2005444312445 - 2¹² = 2005444308349 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2005444312399 and 2005444312408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 142902149 + ... + 142916181.

It is an arithmetic number, because the mean of its divisors is an integer number (45449951040).

Almost surely, 2^{2005444312445} is an apocalyptic number.

It is an amenable number.

2005444312445 is a deficient number, since it is larger than the sum of its proper divisors (903352554115).

2005444312445 is a wasteful number, since it uses less digits than its factorization.

2005444312445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15066.

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 2005444312445 its reverse (5442134445002), we get a palindrome (7447578757447).

The spelling of 2005444312445 in words is "two trillion, five billion, four hundred forty-four million, three hundred twelve thousand, four hundred forty-five".