2064185389 has 8 divisors (see below), whose sum is σ = 2359891520. Its totient is φ = 1768684896.

The previous prime is 2064185239. The next prime is 2064185399. The reversal of 2064185389 is 9835814602.

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 2064185389 - 2²³ = 2055796781 is a prime.

It is a super-2 number, since 2×2064185389² = 8521722640322162642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064185399) 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, 29259 + ... + 70600.

It is an arithmetic number, because the mean of its divisors is an integer number (294986440).

Almost surely, 2^2064185389 is an apocalyptic number.

It is an amenable number.

2064185389 is a deficient number, since it is larger than the sum of its proper divisors (295706131).

2064185389 is an equidigital number, since it uses as much as digits as its factorization.

2064185389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102819.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 2064185389 is about 45433.3070445021. The cubic root of 2064185389 is about 1273.2574712364.

It can be divided in two parts, 20641 and 85389, that added together give a triangular number (106030 = T₄₆₀).

The spelling of 2064185389 in words is "two billion, sixty-four million, one hundred eighty-five thousand, three hundred eighty-nine".