471936109 has 2 divisors, whose sum is σ = 471936110. Its totient is φ = 471936108.

The previous prime is 471936107. The next prime is 471936121. The reversal of 471936109 is 901639174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370370025 + 101566084 = 19245^2 + 10078^2 .

It is a cyclic number.

It is not a de Polignac number, because 471936109 - 2¹ = 471936107 is a prime.

Together with 471936107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471936107) 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, 235968054 + 235968055.

It is an arithmetic number, because the mean of its divisors is an integer number (235968055).

Almost surely, 2^471936109 is an apocalyptic number.

It is an amenable number.

471936109 is a deficient number, since it is larger than the sum of its proper divisors (1).

471936109 is an equidigital number, since it uses as much as digits as its factorization.

471936109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 471936109 is about 21724.0905218147. The cubic root of 471936109 is about 778.5641505959.

The spelling of 471936109 in words is "four hundred seventy-one million, nine hundred thirty-six thousand, one hundred nine".