109434817 has 2 divisors, whose sum is σ = 109434818. Its totient is φ = 109434816.

The previous prime is 109434803. The next prime is 109434821. The reversal of 109434817 is 718434901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79852096 + 29582721 = 8936^2 + 5439^2 .

It is a cyclic number.

It is not a de Polignac number, because 109434817 - 2¹¹ = 109432769 is a prime.

It is not a weakly prime, because it can be changed into another prime (109434887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54717408 + 54717409.

It is an arithmetic number, because the mean of its divisors is an integer number (54717409).

Almost surely, 2^109434817 is an apocalyptic number.

It is an amenable number.

109434817 is a deficient number, since it is larger than the sum of its proper divisors (1).

109434817 is an equidigital number, since it uses as much as digits as its factorization.

109434817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 109434817 is about 10461.1097403669. The cubic root of 109434817 is about 478.3199613702.

The spelling of 109434817 in words is "one hundred nine million, four hundred thirty-four thousand, eight hundred seventeen".