4619851085 has 4 divisors (see below), whose sum is σ = 5543821308. Its totient is φ = 3695880864.

The previous prime is 4619851081. The next prime is 4619851087. The reversal of 4619851085 is 5801589164.

It is a happy number.

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 1916163076 + 2703688009 = 43774^2 + 51997^2 .

It is a cyclic number.

It is not a de Polignac number, because 4619851085 - 2² = 4619851081 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 (4619851081) by changing a digit.

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, 461985104 + ... + 461985113.

It is an arithmetic number, because the mean of its divisors is an integer number (1385955327).

Almost surely, 2^4619851085 is an apocalyptic number.

It is an amenable number.

4619851085 is a deficient number, since it is larger than the sum of its proper divisors (923970223).

4619851085 is an equidigital number, since it uses as much as digits as its factorization.

4619851085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923970222.

The product of its (nonzero) digits is 345600, while the sum is 47.

The square root of 4619851085 is about 67969.4864258956. The cubic root of 4619851085 is about 1665.4924141841.

The spelling of 4619851085 in words is "four billion, six hundred nineteen million, eight hundred fifty-one thousand, eighty-five".