3440043121 has 2 divisors, whose sum is σ = 3440043122. Its totient is φ = 3440043120.

The previous prime is 3440043083. The next prime is 3440043137. The reversal of 3440043121 is 1213400443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3253447521 + 186595600 = 57039^2 + 13660^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440043121 - 2²⁵ = 3406488689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3440043092 and 3440043101.

It is not a weakly prime, because it can be changed into another prime (3440023121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720021560 + 1720021561.

It is an arithmetic number, because the mean of its divisors is an integer number (1720021561).

Almost surely, 2^3440043121 is an apocalyptic number.

It is an amenable number.

3440043121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440043121 is an equidigital number, since it uses as much as digits as its factorization.

3440043121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3440043121 is about 58651.8807967826. The cubic root of 3440043121 is about 1509.5747703992.

Adding to 3440043121 its reverse (1213400443), we get a palindrome (4653443564).

The spelling of 3440043121 in words is "three billion, four hundred forty million, forty-three thousand, one hundred twenty-one".