6839145419 has 4 divisors (see below), whose sum is σ = 6925716960. Its totient is φ = 6752573880.

The previous prime is 6839145413. The next prime is 6839145449. The reversal of 6839145419 is 9145419386.

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 6839145419 - 2²⁰ = 6838096843 is a prime.

It is a super-2 number, since 2×6839145419² = 93547820124457371122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6839145413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43285652 + ... + 43285809.

It is an arithmetic number, because the mean of its divisors is an integer number (1731429240).

Almost surely, 2^6839145419 is an apocalyptic number.

6839145419 is a deficient number, since it is larger than the sum of its proper divisors (86571541).

6839145419 is an equidigital number, since it uses as much as digits as its factorization.

6839145419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86571540.

The product of its digits is 933120, while the sum is 50.

The square root of 6839145419 is about 82699.1258659969. The cubic root of 6839145419 is about 1898.1649335741.

The spelling of 6839145419 in words is "six billion, eight hundred thirty-nine million, one hundred forty-five thousand, four hundred nineteen".