1443354013 has 2 divisors, whose sum is σ = 1443354014. Its totient is φ = 1443354012.

The previous prime is 1443353987. The next prime is 1443354023. The reversal of 1443354013 is 3104533441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1328821209 + 114532804 = 36453^2 + 10702^2 .

It is a cyclic number.

It is not a de Polignac number, because 1443354013 - 2¹⁷ = 1443222941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1443354023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721677006 + 721677007.

It is an arithmetic number, because the mean of its divisors is an integer number (721677007).

Almost surely, 2^1443354013 is an apocalyptic number.

It is an amenable number.

1443354013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443354013 is an equidigital number, since it uses as much as digits as its factorization.

1443354013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1443354013 is about 37991.4992202203. The cubic root of 1443354013 is about 1130.1192901449.

Adding to 1443354013 its reverse (3104533441), we get a palindrome (4547887454).

The spelling of 1443354013 in words is "one billion, four hundred forty-three million, three hundred fifty-four thousand, thirteen".