6538590097 has 4 divisors (see below), whose sum is σ = 7041558580. Its totient is φ = 6035621616.

The previous prime is 6538590089. The next prime is 6538590101. The reversal of 6538590097 is 7900958356.

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 4172643216 + 2365946881 = 64596^2 + 48641^2 .

It is a cyclic number.

It is not a de Polignac number, because 6538590097 - 2³ = 6538590089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6538590797) 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 3 ways as a sum of consecutive naturals, for example, 251484222 + ... + 251484247.

It is an arithmetic number, because the mean of its divisors is an integer number (1760389645).

Almost surely, 2^6538590097 is an apocalyptic number.

It is an amenable number.

6538590097 is a deficient number, since it is larger than the sum of its proper divisors (502968483).

6538590097 is a wasteful number, since it uses less digits than its factorization.

6538590097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502968482.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The square root of 6538590097 is about 80861.5489401483. The cubic root of 6538590097 is about 1869.9415747138.

The spelling of 6538590097 in words is "six billion, five hundred thirty-eight million, five hundred ninety thousand, ninety-seven".