471240664469 has 2 divisors, whose sum is σ = 471240664470. Its totient is φ = 471240664468.

The previous prime is 471240664457. The next prime is 471240664481. The reversal of 471240664469 is 964466042174.

It is a balanced prime because it is at equal distance from previous prime (471240664457) and next prime (471240664481).

It can be written as a sum of positive squares in only one way, i.e., 453534902500 + 17705761969 = 673450^2 + 133063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471240664469 is a prime.

It is a super-2 number, since 2×471240664469² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 471240664469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471240664439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235620332234 + 235620332235.

It is an arithmetic number, because the mean of its divisors is an integer number (235620332235).

Almost surely, 2^471240664469 is an apocalyptic number.

It is an amenable number.

471240664469 is a deficient number, since it is larger than the sum of its proper divisors (1).

471240664469 is an equidigital number, since it uses as much as digits as its factorization.

471240664469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 471240664469 in words is "four hundred seventy-one billion, two hundred forty million, six hundred sixty-four thousand, four hundred sixty-nine".