1941164441 has 2 divisors, whose sum is σ = 1941164442. Its totient is φ = 1941164440.

The previous prime is 1941164429. The next prime is 1941164447. The reversal of 1941164441 is 1444611491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1662274441 + 278890000 = 40771^2 + 16700^2 .

It is an emirp because it is prime and its reverse (1444611491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1941164441 - 2¹⁰ = 1941163417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1941164447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970582220 + 970582221.

It is an arithmetic number, because the mean of its divisors is an integer number (970582221).

It is a self-describing number.

Almost surely, 2^1941164441 is an apocalyptic number.

It is an amenable number.

1941164441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1941164441 is an equidigital number, since it uses as much as digits as its factorization.

1941164441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 1941164441 is about 44058.6477436609. The cubic root of 1941164441 is about 1247.4431878149.

The spelling of 1941164441 in words is "one billion, nine hundred forty-one million, one hundred sixty-four thousand, four hundred forty-one".