6538350501 has 12 divisors (see below), whose sum is σ = 9999830412. Its totient is φ = 4102494336.

The previous prime is 6538350491. The next prime is 6538350541. The reversal of 6538350501 is 1050538356.

6538350501 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5820164100 + 718186401 = 76290^2 + 26799^2 .

It is not a de Polignac number, because 6538350501 - 2⁶ = 6538350437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6538350541) 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 11 ways as a sum of consecutive naturals, for example, 21367006 + ... + 21367311.

It is an arithmetic number, because the mean of its divisors is an integer number (833319201).

Almost surely, 2^6538350501 is an apocalyptic number.

It is an amenable number.

6538350501 is a deficient number, since it is larger than the sum of its proper divisors (3461479911).

6538350501 is a wasteful number, since it uses less digits than its factorization.

6538350501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42734340 (or 42734337 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 6538350501 is about 80860.0674066006. The cubic root of 6538350501 is about 1869.9187341122.

Adding to 6538350501 its reverse (1050538356), we get a palindrome (7588888857).

The spelling of 6538350501 in words is "six billion, five hundred thirty-eight million, three hundred fifty thousand, five hundred one".