2064138719 has 8 divisors (see below), whose sum is σ = 2076233472. Its totient is φ = 2052057760.

The previous prime is 2064138697. The next prime is 2064138733. The reversal of 2064138719 is 9178314602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2064138719 is a prime.

It is a super-3 number, since 3×2064138719³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064138019) 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, 512357 + ... + 516369.

It is an arithmetic number, because the mean of its divisors is an integer number (259529184).

Almost surely, 2^2064138719 is an apocalyptic number.

2064138719 is a deficient number, since it is larger than the sum of its proper divisors (12094753).

2064138719 is a wasteful number, since it uses less digits than its factorization.

2064138719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6897.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 2064138719 is about 45432.7934316172. The cubic root of 2064138719 is about 1273.2478753002.

The spelling of 2064138719 in words is "two billion, sixty-four million, one hundred thirty-eight thousand, seven hundred nineteen".