1944234401 has 2 divisors, whose sum is σ = 1944234402. Its totient is φ = 1944234400.

The previous prime is 1944234371. The next prime is 1944234419. The reversal of 1944234401 is 1044324491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1648360000 + 295874401 = 40600^2 + 17201^2 .

It is a cyclic number.

It is not a de Polignac number, because 1944234401 - 2¹⁰ = 1944233377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1944234431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972117200 + 972117201.

It is an arithmetic number, because the mean of its divisors is an integer number (972117201).

Almost surely, 2^1944234401 is an apocalyptic number.

It is an amenable number.

1944234401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1944234401 is an equidigital number, since it uses as much as digits as its factorization.

1944234401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1944234401 is about 44093.4734512944. The cubic root of 1944234401 is about 1248.1004537214.

Adding to 1944234401 its reverse (1044324491), we get a palindrome (2988558892).

The spelling of 1944234401 in words is "one billion, nine hundred forty-four million, two hundred thirty-four thousand, four hundred one".