1109344493 has 2 divisors, whose sum is σ = 1109344494. Its totient is φ = 1109344492.

The previous prime is 1109344459. The next prime is 1109344499. The reversal of 1109344493 is 3944439011.

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., 1105030564 + 4313929 = 33242^2 + 2077^2 .

It is a cyclic number.

It is not a de Polignac number, because 1109344493 - 2⁶ = 1109344429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109344499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554672246 + 554672247.

It is an arithmetic number, because the mean of its divisors is an integer number (554672247).

Almost surely, 2^1109344493 is an apocalyptic number.

It is an amenable number.

1109344493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109344493 is an equidigital number, since it uses as much as digits as its factorization.

1109344493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 1109344493 is about 33306.8235201137. The cubic root of 1109344493 is about 1035.1949481474.

The spelling of 1109344493 in words is "one billion, one hundred nine million, three hundred forty-four thousand, four hundred ninety-three".