6494739219 has 8 divisors (see below), whose sum is σ = 9621835920. Its totient is φ = 4329826128.

The previous prime is 6494739203. The next prime is 6494739253. The reversal of 6494739219 is 9129374946.

It is not a de Polignac number, because 6494739219 - 2⁴ = 6494739203 is a prime.

It is a super-2 number, since 2×6494739219² = 84363275045633459922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6494739299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120272922 + ... + 120272975.

It is an arithmetic number, because the mean of its divisors is an integer number (1202729490).

Almost surely, 2^6494739219 is an apocalyptic number.

6494739219 is a deficient number, since it is larger than the sum of its proper divisors (3127096701).

6494739219 is a wasteful number, since it uses less digits than its factorization.

6494739219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240545906 (or 240545900 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 6494739219 is about 80589.9449000928. The cubic root of 6494739219 is about 1865.7519572904.

The spelling of 6494739219 in words is "six billion, four hundred ninety-four million, seven hundred thirty-nine thousand, two hundred nineteen".