3189485020805 has 8 divisors (see below), whose sum is σ = 3832841917944. Its totient is φ = 2547948088000.

The previous prime is 3189485020723. The next prime is 3189485020807. The reversal of 3189485020805 is 5080205849813.

3189485020805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1400014301284 + 1789470719521 = 1183222^2 + 1337711^2 .

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

It is not a de Polignac number, because 3189485020805 - 2¹⁸ = 3189484758661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3189485020807) 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, 454987226 + ... + 454994235.

It is an arithmetic number, because the mean of its divisors is an integer number (479105239743).

Almost surely, 2^{3189485020805} is an apocalyptic number.

It is an amenable number.

3189485020805 is a deficient number, since it is larger than the sum of its proper divisors (643356897139).

3189485020805 is an equidigital number, since it uses as much as digits as its factorization.

3189485020805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909982167.

The product of its (nonzero) digits is 2764800, while the sum is 53.

The spelling of 3189485020805 in words is "three trillion, one hundred eighty-nine billion, four hundred eighty-five million, twenty thousand, eight hundred five".