485668289369 has 4 divisors (see below), whose sum is σ = 485672694144. Its totient is φ = 485663884596.

The previous prime is 485668289333. The next prime is 485668289399. The reversal of 485668289369 is 963982866584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-485668289369 is a prime.

It is a super-2 number, since 2×485668289369² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 485668289296 and 485668289305.

It is not an unprimeable number, because it can be changed into a prime (485668289399) 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, 2032637 + ... + 2258970.

It is an arithmetic number, because the mean of its divisors is an integer number (121418173536).

Almost surely, 2^485668289369 is an apocalyptic number.

It is an amenable number.

485668289369 is a deficient number, since it is larger than the sum of its proper divisors (4404775).

485668289369 is a wasteful number, since it uses less digits than its factorization.

485668289369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404774.

The product of its digits is 1074954240, while the sum is 74.

The spelling of 485668289369 in words is "four hundred eighty-five billion, six hundred sixty-eight million, two hundred eighty-nine thousand, three hundred sixty-nine".