471967841864 has 8 divisors (see below), whose sum is σ = 884939703510. Its totient is φ = 235983920928.

The previous prime is 471967841861. The next prime is 471967841867. The reversal of 471967841864 is 468148769174.

It is an interprime number because it is at equal distance from previous prime (471967841861) and next prime (471967841867).

It can be written as a sum of positive squares in only one way, i.e., 438453216964 + 33514624900 = 662158^2 + 183070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 471967841864.

It is not an unprimeable number, because it can be changed into a prime (471967841861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29497990109 + ... + 29497990124.

Almost surely, 2^471967841864 is an apocalyptic number.

It is an amenable number.

471967841864 is a deficient number, since it is larger than the sum of its proper divisors (412971861646).

471967841864 is a wasteful number, since it uses less digits than its factorization.

471967841864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58995980239 (or 58995980235 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 65.

The spelling of 471967841864 in words is "four hundred seventy-one billion, nine hundred sixty-seven million, eight hundred forty-one thousand, eight hundred sixty-four".