470666531657 has 4 divisors (see below), whose sum is σ = 537904607616. Its totient is φ = 403428455700.

The previous prime is 470666531653. The next prime is 470666531663. The reversal of 470666531657 is 756135666074.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 470666531657 - 2² = 470666531653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (470666531651) 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, 33619037969 + ... + 33619037982.

It is an arithmetic number, because the mean of its divisors is an integer number (134476151904).

Almost surely, 2^470666531657 is an apocalyptic number.

It is an amenable number.

470666531657 is a deficient number, since it is larger than the sum of its proper divisors (67238075959).

470666531657 is an equidigital number, since it uses as much as digits as its factorization.

470666531657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67238075958.

The product of its (nonzero) digits is 19051200, while the sum is 56.

The spelling of 470666531657 in words is "four hundred seventy billion, six hundred sixty-six million, five hundred thirty-one thousand, six hundred fifty-seven".