2064105919 has 4 divisors (see below), whose sum is σ = 2066977440. Its totient is φ = 2061234400.

The previous prime is 2064105913. The next prime is 2064105929. The reversal of 2064105919 is 9195014602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2064105919 - 2²³ = 2055717311 is a prime.

It is a super-2 number, since 2×2064105919² = 8521066489701669122, which 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 (2064105913) 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 3 ways as a sum of consecutive naturals, for example, 1434682 + ... + 1436119.

It is an arithmetic number, because the mean of its divisors is an integer number (516744360).

Almost surely, 2^2064105919 is an apocalyptic number.

2064105919 is a deficient number, since it is larger than the sum of its proper divisors (2871521).

2064105919 is an equidigital number, since it uses as much as digits as its factorization.

2064105919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871520.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 2064105919 is about 45432.4324574417. The cubic root of 2064105919 is about 1273.2411311231.

The spelling of 2064105919 in words is "two billion, sixty-four million, one hundred five thousand, nine hundred nineteen".