471812069 has 2 divisors, whose sum is σ = 471812070. Its totient is φ = 471812068.

The previous prime is 471812063. The next prime is 471812071. The reversal of 471812069 is 960218174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 469372225 + 2439844 = 21665^2 + 1562^2 .

It is a cyclic number.

It is not a de Polignac number, because 471812069 - 2²⁰ = 470763493 is a prime.

It is a super-2 number, since 2×471812069² = 445213256908121522, which contains 22 as substring.

Together with 471812071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471812063) 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, 235906034 + 235906035.

It is an arithmetic number, because the mean of its divisors is an integer number (235906035).

Almost surely, 2^471812069 is an apocalyptic number.

It is an amenable number.

471812069 is a deficient number, since it is larger than the sum of its proper divisors (1).

471812069 is an equidigital number, since it uses as much as digits as its factorization.

471812069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 471812069 is about 21721.2354390813. The cubic root of 471812069 is about 778.4959340460.

The spelling of 471812069 in words is "four hundred seventy-one million, eight hundred twelve thousand, sixty-nine".