1944438069041 has 16 divisors (see below), whose sum is σ = 2205009018240. Its totient is φ = 1699791609600.

The previous prime is 1944438068999. The next prime is 1944438069043. The reversal of 1944438069041 is 1409608344491.

It is a cyclic number.

It is not a de Polignac number, because 1944438069041 - 2¹⁸ = 1944437806897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1944438069043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 713405 + ... + 2097098.

It is an arithmetic number, because the mean of its divisors is an integer number (137813063640).

Almost surely, 2^{1944438069041} is an apocalyptic number.

It is an amenable number.

1944438069041 is a deficient number, since it is larger than the sum of its proper divisors (260570949199).

1944438069041 is a wasteful number, since it uses less digits than its factorization.

1944438069041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813336.

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 1944438069041 in words is "one trillion, nine hundred forty-four billion, four hundred thirty-eight million, sixty-nine thousand, forty-one".