471859109 has 2 divisors, whose sum is σ = 471859110. Its totient is φ = 471859108.

The previous prime is 471859103. The next prime is 471859117. The reversal of 471859109 is 901958174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445336609 + 26522500 = 21103^2 + 5150^2 .

It is a cyclic number.

It is not a de Polignac number, because 471859109 - 2⁴ = 471859093 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 471859109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471859103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235929554 + 235929555.

It is an arithmetic number, because the mean of its divisors is an integer number (235929555).

Almost surely, 2^471859109 is an apocalyptic number.

It is an amenable number.

471859109 is a deficient number, since it is larger than the sum of its proper divisors (1).

471859109 is an equidigital number, since it uses as much as digits as its factorization.

471859109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 471859109 is about 21722.3182234309. The cubic root of 471859109 is about 778.5218053863.

The spelling of 471859109 in words is "four hundred seventy-one million, eight hundred fifty-nine thousand, one hundred nine".