485227037789 has 4 divisors (see below), whose sum is σ = 522552194556. Its totient is φ = 447901881024.

The previous prime is 485227037749. The next prime is 485227037791. The reversal of 485227037789 is 987730722584.

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

It can be written as a sum of positive squares in 2 ways, for example, as 332631334564 + 152595703225 = 576742^2 + 390635^2 .

It is a de Polignac number, because none of the positive numbers 2^k-485227037789 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 (485227037749) 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 3 ways as a sum of consecutive naturals, for example, 18662578364 + ... + 18662578389.

It is an arithmetic number, because the mean of its divisors is an integer number (130638048639).

Almost surely, 2^485227037789 is an apocalyptic number.

It is an amenable number.

485227037789 is a deficient number, since it is larger than the sum of its proper divisors (37325156767).

485227037789 is a wasteful number, since it uses less digits than its factorization.

485227037789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37325156766.

The product of its (nonzero) digits is 47416320, while the sum is 62.

The spelling of 485227037789 in words is "four hundred eighty-five billion, two hundred twenty-seven million, thirty-seven thousand, seven hundred eighty-nine".