1944434344427 has 16 divisors (see below), whose sum is σ = 1984317640032. Its totient is φ = 1904998072320.

The previous prime is 1944434344417. The next prime is 1944434344429. The reversal of 1944434344427 is 7244434344491.

It is a cyclic number.

It is not a de Polignac number, because 1944434344427 - 2²² = 1944430150123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1944434344429) 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, 8780003 + ... + 8998739.

It is an arithmetic number, because the mean of its divisors is an integer number (124019852502).

Almost surely, 2^{1944434344427} is an apocalyptic number.

1944434344427 is a deficient number, since it is larger than the sum of its proper divisors (39883295605).

1944434344427 is a wasteful number, since it uses less digits than its factorization.

1944434344427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219758.

The product of its digits is 18579456, while the sum is 53.

The spelling of 1944434344427 in words is "one trillion, nine hundred forty-four billion, four hundred thirty-four million, three hundred forty-four thousand, four hundred twenty-seven".