1941164443 has 4 divisors (see below), whose sum is σ = 1941404760. Its totient is φ = 1940924128.

The previous prime is 1941164441. The next prime is 1941164447. The reversal of 1941164443 is 3444611491.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1941164443 - 2¹ = 1941164441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1941164441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 107605 + ... + 124342.

It is an arithmetic number, because the mean of its divisors is an integer number (485351190).

Almost surely, 2^1941164443 is an apocalyptic number.

1941164443 is a deficient number, since it is larger than the sum of its proper divisors (240317).

1941164443 is an equidigital number, since it uses as much as digits as its factorization.

1941164443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240316.

The product of its digits is 41472, while the sum is 37.

The square root of 1941164443 is about 44058.6477663580. The cubic root of 1941164443 is about 1247.4431882434.

The spelling of 1941164443 in words is "one billion, nine hundred forty-one million, one hundred sixty-four thousand, four hundred forty-three".