1344666041 has 2 divisors, whose sum is σ = 1344666042. Its totient is φ = 1344666040.

The previous prime is 1344665989. The next prime is 1344666049. The reversal of 1344666041 is 1406664431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1310150416 + 34515625 = 36196^2 + 5875^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344666041 - 2⁶ = 1344665977 is a prime.

It is a super-2 number, since 2×1344666041² = 3616253523637227362, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1344665992 and 1344666010.

It is not a weakly prime, because it can be changed into another prime (1344666049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672333020 + 672333021.

It is an arithmetic number, because the mean of its divisors is an integer number (672333021).

Almost surely, 2^1344666041 is an apocalyptic number.

It is an amenable number.

1344666041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344666041 is an equidigital number, since it uses as much as digits as its factorization.

1344666041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 1344666041 is about 36669.6883133740. The cubic root of 1344666041 is about 1103.7519377307.

The spelling of 1344666041 in words is "one billion, three hundred forty-four million, six hundred sixty-six thousand, forty-one".