1944434005 has 16 divisors (see below), whose sum is σ = 2350333440. Its totient is φ = 1544246208.

The previous prime is 1944433901. The next prime is 1944434017. The reversal of 1944434005 is 5004344491.

It is a cyclic number.

It is not a de Polignac number, because 1944434005 - 2⁷ = 1944433877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431494 + ... + 435976.

It is an arithmetic number, because the mean of its divisors is an integer number (146895840).

Almost surely, 2^1944434005 is an apocalyptic number.

It is an amenable number.

1944434005 is a deficient number, since it is larger than the sum of its proper divisors (405899435).

1944434005 is a wasteful number, since it uses less digits than its factorization.

1944434005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1944434005 is about 44095.7368120774. The cubic root of 1944434005 is about 1248.1431641610.

Adding to 1944434005 its reverse (5004344491), we get a palindrome (6948778496).

The spelling of 1944434005 in words is "one billion, nine hundred forty-four million, four hundred thirty-four thousand, five".