485749819 has 8 divisors (see below), whose sum is σ = 501811200. Its totient is φ = 469713000.

The previous prime is 485749813. The next prime is 485749843. The reversal of 485749819 is 918947584.

It is a happy number.

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 485749819 - 2¹⁵ = 485717051 is a prime.

It is a super-2 number, since 2×485749819² = 471905773317065522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 485749819.

It is not an unprimeable number, because it can be changed into a prime (485749813) 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 7 ways as a sum of consecutive naturals, for example, 39582 + ... + 50380.

It is an arithmetic number, because the mean of its divisors is an integer number (62726400).

Almost surely, 2^485749819 is an apocalyptic number.

485749819 is a deficient number, since it is larger than the sum of its proper divisors (16061381).

485749819 is a wasteful number, since it uses less digits than its factorization.

485749819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12281.

The product of its digits is 2903040, while the sum is 55.

The square root of 485749819 is about 22039.7327343142. The cubic root of 485749819 is about 786.0874857028.

The spelling of 485749819 in words is "four hundred eighty-five million, seven hundred forty-nine thousand, eight hundred nineteen".