1102443409 has 2 divisors, whose sum is σ = 1102443410. Its totient is φ = 1102443408.

The previous prime is 1102443389. The next prime is 1102443413. The reversal of 1102443409 is 9043442011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1084253184 + 18190225 = 32928^2 + 4265^2 .

It is an emirp because it is prime and its reverse (9043442011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1102443409 - 2⁹ = 1102442897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102443449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551221704 + 551221705.

It is an arithmetic number, because the mean of its divisors is an integer number (551221705).

Almost surely, 2^1102443409 is an apocalyptic number.

It is an amenable number.

1102443409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102443409 is an equidigital number, since it uses as much as digits as its factorization.

1102443409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1102443409 is about 33203.0632472367. The cubic root of 1102443409 is about 1033.0438782624.

The spelling of 1102443409 in words is "one billion, one hundred two million, four hundred forty-three thousand, four hundred nine".