4210240109 has 2 divisors, whose sum is σ = 4210240110. Its totient is φ = 4210240108.

The previous prime is 4210240081. The next prime is 4210240117. The reversal of 4210240109 is 9010420124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2307361225 + 1902878884 = 48035^2 + 43622^2 .

It is a cyclic number.

It is not a de Polignac number, because 4210240109 - 2⁸ = 4210239853 is a prime.

It is a super-2 number, since 2×4210240109² = 35452243550864663762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4210240189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2105120054 + 2105120055.

It is an arithmetic number, because the mean of its divisors is an integer number (2105120055).

Almost surely, 2^4210240109 is an apocalyptic number.

It is an amenable number.

4210240109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4210240109 is an equidigital number, since it uses as much as digits as its factorization.

4210240109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 4210240109 is about 64886.3630434007. The cubic root of 4210240109 is about 1614.7388266648.

The spelling of 4210240109 in words is "four billion, two hundred ten million, two hundred forty thousand, one hundred nine".