1100043349 has 2 divisors, whose sum is σ = 1100043350. Its totient is φ = 1100043348.

The previous prime is 1100043313. The next prime is 1100043389. The reversal of 1100043349 is 9433400011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1041030225 + 59013124 = 32265^2 + 7682^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100043349 - 2⁹ = 1100042837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100043389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550021674 + 550021675.

It is an arithmetic number, because the mean of its divisors is an integer number (550021675).

Almost surely, 2^1100043349 is an apocalyptic number.

It is an amenable number.

1100043349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100043349 is an equidigital number, since it uses as much as digits as its factorization.

1100043349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1100043349 is about 33166.9014078795. The cubic root of 1100043349 is about 1032.2936753724.

The spelling of 1100043349 in words is "one billion, one hundred million, forty-three thousand, three hundred forty-nine".