471489911 has 2 divisors, whose sum is σ = 471489912. Its totient is φ = 471489910.

The previous prime is 471489899. The next prime is 471490003. The reversal of 471489911 is 119984174.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 471489911 - 2⁶ = 471489847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471489211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235744955 + 235744956.

It is an arithmetic number, because the mean of its divisors is an integer number (235744956).

Almost surely, 2^471489911 is an apocalyptic number.

471489911 is a deficient number, since it is larger than the sum of its proper divisors (1).

471489911 is an equidigital number, since it uses as much as digits as its factorization.

471489911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 44.

The square root of 471489911 is about 21713.8184343519. The cubic root of 471489911 is about 778.3187054319.

The spelling of 471489911 in words is "four hundred seventy-one million, four hundred eighty-nine thousand, nine hundred eleven".