485071643 has 4 divisors (see below), whose sum is σ = 554367600. Its totient is φ = 415775688.

The previous prime is 485071621. The next prime is 485071649. The reversal of 485071643 is 346170584.

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 485071643 - 2⁶ = 485071579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 485071597 and 485071606.

It is not an unprimeable number, because it can be changed into a prime (485071649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34647968 + ... + 34647981.

It is an arithmetic number, because the mean of its divisors is an integer number (138591900).

Almost surely, 2^485071643 is an apocalyptic number.

485071643 is a deficient number, since it is larger than the sum of its proper divisors (69295957).

485071643 is an equidigital number, since it uses as much as digits as its factorization.

485071643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69295956.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 485071643 is about 22024.3420560070. The cubic root of 485071643 is about 785.7214852532.

The spelling of 485071643 in words is "four hundred eighty-five million, seventy-one thousand, six hundred forty-three".