914409109 has 2 divisors, whose sum is σ = 914409110. Its totient is φ = 914409108.

The previous prime is 914409079. The next prime is 914409113. The reversal of 914409109 is 901904419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 660644209 + 253764900 = 25703^2 + 15930^2 .

It is a cyclic number.

It is not a de Polignac number, because 914409109 - 2¹³ = 914400917 is a prime.

It is a super-2 number, since 2×914409109² = 1672288037244347762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (914409809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457204554 + 457204555.

It is an arithmetic number, because the mean of its divisors is an integer number (457204555).

Almost surely, 2^914409109 is an apocalyptic number.

It is an amenable number.

914409109 is a deficient number, since it is larger than the sum of its proper divisors (1).

914409109 is an equidigital number, since it uses as much as digits as its factorization.

914409109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 914409109 is about 30239.1982201910. The cubic root of 914409109 is about 970.6146630314.

The spelling of 914409109 in words is "nine hundred fourteen million, four hundred nine thousand, one hundred nine".