485846638729 has 9 divisors (see below), whose sum is σ = 487965711271. Its totient is φ = 483736738000.

The previous prime is 485846638703. The next prime is 485846638741. The reversal of 485846638729 is 927836648584.

It is a happy number.

The square root of 485846638729 is 697027.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 75539774025 + 410306864704 = 274845^2 + 640552^2 .

It is a de Polignac number, because none of the positive numbers 2^k-485846638729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485846638229) 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 8 ways as a sum of consecutive naturals, for example, 174952389 + ... + 174955165.

Almost surely, 2^485846638729 is an apocalyptic number.

485846638729 is the 697027-th square number.

485846638729 is the 348514-th centered octagonal number.

It is an amenable number.

485846638729 is a deficient number, since it is larger than the sum of its proper divisors (2119072542).

485846638729 is an frugal number, since it uses more digits than its factorization.

485846638729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056 (or 3028 counting only the distinct ones).

The product of its digits is 557383680, while the sum is 70.

The spelling of 485846638729 in words is "four hundred eighty-five billion, eight hundred forty-six million, six hundred thirty-eight thousand, seven hundred twenty-nine".