485421793765 has 4 divisors (see below), whose sum is σ = 582506152524. Its totient is φ = 388337435008.

The previous prime is 485421793699. The next prime is 485421793777. The reversal of 485421793765 is 567397124584.

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 379354982724 + 106066811041 = 615918^2 + 325679^2 .

It is a cyclic number.

It is not a de Polignac number, because 485421793765 - 2²¹ = 485419696613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 48542179372 + ... + 48542179381.

It is an arithmetic number, because the mean of its divisors is an integer number (145626538131).

Almost surely, 2^485421793765 is an apocalyptic number.

It is an amenable number.

485421793765 is a deficient number, since it is larger than the sum of its proper divisors (97084358759).

485421793765 is an equidigital number, since it uses as much as digits as its factorization.

485421793765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97084358758.

The product of its digits is 50803200, while the sum is 61.

The spelling of 485421793765 in words is "four hundred eighty-five billion, four hundred twenty-one million, seven hundred ninety-three thousand, seven hundred sixty-five".