485071930667521 has 4 divisors (see below), whose sum is σ = 489605313197232. Its totient is φ = 480538548137812.

The previous prime is 485071930667503. The next prime is 485071930667551. The reversal of 485071930667521 is 125766039170584.

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 485071930667521 - 2¹¹ = 485071930665473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485071930667551) 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, 2266691264695 + ... + 2266691264908.

It is an arithmetic number, because the mean of its divisors is an integer number (122401328299308).

It is a 2-persistent number, because it is pandigital, and so is 2⋅485071930667521 = 970143861335042, but 3⋅485071930667521 = 1455215792002563 is not.

Almost surely, 2^{485071930667521} is an apocalyptic number.

It is an amenable number.

485071930667521 is a deficient number, since it is larger than the sum of its proper divisors (4533382529711).

485071930667521 is a wasteful number, since it uses less digits than its factorization.

485071930667521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4533382529710.

The product of its (nonzero) digits is 76204800, while the sum is 64.

The spelling of 485071930667521 in words is "four hundred eighty-five trillion, seventy-one billion, nine hundred thirty million, six hundred sixty-seven thousand, five hundred twenty-one".