6342916849 has 4 divisors (see below), whose sum is σ = 6497622180. Its totient is φ = 6188211520.

The previous prime is 6342916843. The next prime is 6342916861. The reversal of 6342916849 is 9486192436.

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

It can be written as a sum of positive squares in 2 ways, for example, as 588935824 + 5753981025 = 24268^2 + 75855^2 .

It is a cyclic number.

It is not a de Polignac number, because 6342916849 - 2¹¹ = 6342914801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6342916796 and 6342916805.

It is not an unprimeable number, because it can be changed into a prime (6342916843) 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 3 ways as a sum of consecutive naturals, for example, 77352604 + ... + 77352685.

It is an arithmetic number, because the mean of its divisors is an integer number (1624405545).

Almost surely, 2^6342916849 is an apocalyptic number.

It is an amenable number.

6342916849 is a deficient number, since it is larger than the sum of its proper divisors (154705331).

6342916849 is a wasteful number, since it uses less digits than its factorization.

6342916849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154705330.

The product of its digits is 2239488, while the sum is 52.

The square root of 6342916849 is about 79642.4312097515. The cubic root of 6342916849 is about 1851.0991130263.

The spelling of 6342916849 in words is "six billion, three hundred forty-two million, nine hundred sixteen thousand, eight hundred forty-nine".