471255217534663 has 4 divisors (see below), whose sum is σ = 471257861782768. Its totient is φ = 471252573286560.

The previous prime is 471255217534657. The next prime is 471255217534667. The reversal of 471255217534663 is 366435712552174.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 471255217534663 - 2²¹ = 471255215437511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471255217534667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321856706 + ... + 1322213167.

It is an arithmetic number, because the mean of its divisors is an integer number (117814465445692).

Almost surely, 2^{471255217534663} is an apocalyptic number.

471255217534663 is a deficient number, since it is larger than the sum of its proper divisors (2644248105).

471255217534663 is a wasteful number, since it uses less digits than its factorization.

471255217534663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644248104.

The product of its digits is 127008000, while the sum is 61.

The spelling of 471255217534663 in words is "four hundred seventy-one trillion, two hundred fifty-five billion, two hundred seventeen million, five hundred thirty-four thousand, six hundred sixty-three".