471721617464 has 32 divisors (see below), whose sum is σ = 915021530640. Its totient is φ = 227829792000.

The previous prime is 471721617461. The next prime is 471721617467. The reversal of 471721617464 is 464716127174.

It is an interprime number because it is at equal distance from previous prime (471721617461) and next prime (471721617467).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471721617461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7086554 + ... + 7152809.

Almost surely, 2^471721617464 is an apocalyptic number.

It is an amenable number.

471721617464 is a deficient number, since it is larger than the sum of its proper divisors (443299913176).

471721617464 is a wasteful number, since it uses less digits than its factorization.

471721617464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14239511 (or 14239507 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 50.

The spelling of 471721617464 in words is "four hundred seventy-one billion, seven hundred twenty-one million, six hundred seventeen thousand, four hundred sixty-four".