2005135322444 has 12 divisors (see below), whose sum is σ = 3661551458544. Its totient is φ = 958977762864.

The previous prime is 2005135322441. The next prime is 2005135322453. The reversal of 2005135322444 is 4442235315002.

It is a happy number.

It is a super-2 number, since 2×2005135322444² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2005135322441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10897474487 + ... + 10897474670.

It is an arithmetic number, because the mean of its divisors is an integer number (305129288212).

Almost surely, 2^{2005135322444} is an apocalyptic number.

It is an amenable number.

2005135322444 is a deficient number, since it is larger than the sum of its proper divisors (1656416136100).

2005135322444 is a wasteful number, since it uses less digits than its factorization.

2005135322444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21794949184 (or 21794949182 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 2005135322444 in words is "two trillion, five billion, one hundred thirty-five million, three hundred twenty-two thousand, four hundred forty-four".