109812349 has 2 divisors, whose sum is σ = 109812350. Its totient is φ = 109812348.

The previous prime is 109812301. The next prime is 109812359. The reversal of 109812349 is 943218901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77968900 + 31843449 = 8830^2 + 5643^2 .

It is a cyclic number.

It is not a de Polignac number, because 109812349 - 2¹¹ = 109810301 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109812359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54906174 + 54906175.

It is an arithmetic number, because the mean of its divisors is an integer number (54906175).

Almost surely, 2^109812349 is an apocalyptic number.

It is an amenable number.

109812349 is a deficient number, since it is larger than the sum of its proper divisors (1).

109812349 is an equidigital number, since it uses as much as digits as its factorization.

109812349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 109812349 is about 10479.1387527793. The cubic root of 109812349 is about 478.8693716200.

The spelling of 109812349 in words is "one hundred nine million, eight hundred twelve thousand, three hundred forty-nine".