110409749 has 2 divisors, whose sum is σ = 110409750. Its totient is φ = 110409748.

The previous prime is 110409743. The next prime is 110409773. The reversal of 110409749 is 947904011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109348849 + 1060900 = 10457^2 + 1030^2 .

It is an emirp because it is prime and its reverse (947904011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110409749 - 2⁸ = 110409493 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110409743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55204874 + 55204875.

It is an arithmetic number, because the mean of its divisors is an integer number (55204875).

Almost surely, 2^110409749 is an apocalyptic number.

It is an amenable number.

110409749 is a deficient number, since it is larger than the sum of its proper divisors (1).

110409749 is an equidigital number, since it uses as much as digits as its factorization.

110409749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 110409749 is about 10507.6043416185. The cubic root of 110409749 is about 479.7361817046.

The spelling of 110409749 in words is "one hundred ten million, four hundred nine thousand, seven hundred forty-nine".