6542834450 has 12 divisors (see below), whose sum is σ = 12169672170. Its totient is φ = 2617133760.

The previous prime is 6542834423. The next prime is 6542834453. The reversal of 6542834450 is 544382456.

It can be written as a sum of positive squares in 3 ways, for example, as 4032123001 + 2510711449 = 63499^2 + 50107^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6542834398 and 6542834407.

It is not an unprimeable number, because it can be changed into a prime (6542834453) 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 5 ways as a sum of consecutive naturals, for example, 65428295 + ... + 65428394.

Almost surely, 2^6542834450 is an apocalyptic number.

6542834450 is a deficient number, since it is larger than the sum of its proper divisors (5626837720).

6542834450 is a wasteful number, since it uses less digits than its factorization.

6542834450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130856701 (or 130856696 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The square root of 6542834450 is about 80887.7892515304. The cubic root of 6542834450 is about 1870.3460949206.

The spelling of 6542834450 in words is "six billion, five hundred forty-two million, eight hundred thirty-four thousand, four hundred fifty".