485109784319 has 8 divisors (see below), whose sum is σ = 518547893472. Its totient is φ = 452700540160.

The previous prime is 485109784219. The next prime is 485109784337. The reversal of 485109784319 is 913487901584.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 485109784319 - 2⁸ = 485109784063 is a prime.

It is a super-2 number, since 2×485109784319² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485109784219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257215274 + ... + 257217159.

It is an arithmetic number, because the mean of its divisors is an integer number (64818486684).

Almost surely, 2^485109784319 is an apocalyptic number.

485109784319 is a deficient number, since it is larger than the sum of its proper divisors (33438109153).

485109784319 is a wasteful number, since it uses less digits than its factorization.

485109784319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514432497.

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 485109784319 in words is "four hundred eighty-five billion, one hundred nine million, seven hundred eighty-four thousand, three hundred nineteen".