1944169379 has 2 divisors, whose sum is σ = 1944169380. Its totient is φ = 1944169378.

The previous prime is 1944169333. The next prime is 1944169399. The reversal of 1944169379 is 9739614491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1944169379 - 2²⁴ = 1927392163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1944169379.

It is not a weakly prime, because it can be changed into another prime (1944169399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972084689 + 972084690.

It is an arithmetic number, because the mean of its divisors is an integer number (972084690).

Almost surely, 2^1944169379 is an apocalyptic number.

1944169379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1944169379 is an equidigital number, since it uses as much as digits as its factorization.

1944169379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 53.

The square root of 1944169379 is about 44092.7361251261. The cubic root of 1944169379 is about 1248.0865399511.

The spelling of 1944169379 in words is "one billion, nine hundred forty-four million, one hundred sixty-nine thousand, three hundred seventy-nine".