485185297399 has 4 divisors (see below), whose sum is σ = 529293051720. Its totient is φ = 441077543080.

The previous prime is 485185297349. The next prime is 485185297411. The reversal of 485185297399 is 993792581584.

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 485185297399 - 2⁹ = 485185296887 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 (485185297349) 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, 22053877144 + ... + 22053877165.

It is an arithmetic number, because the mean of its divisors is an integer number (132323262930).

Almost surely, 2^485185297399 is an apocalyptic number.

485185297399 is a deficient number, since it is larger than the sum of its proper divisors (44107754321).

485185297399 is a wasteful number, since it uses less digits than its factorization.

485185297399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44107754320.

The product of its digits is 195955200, while the sum is 70.

The spelling of 485185297399 in words is "four hundred eighty-five billion, one hundred eighty-five million, two hundred ninety-seven thousand, three hundred ninety-nine".