6538338356 has 24 divisors (see below), whose sum is σ = 12522444480. Its totient is φ = 2962409600.

The previous prime is 6538338281. The next prime is 6538338361.

6538338356 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225221 + ... + 252588.

It is an arithmetic number, because the mean of its divisors is an integer number (521768520).

Almost surely, 2^6538338356 is an apocalyptic number.

It is an amenable number.

6538338356 is a deficient number, since it is larger than the sum of its proper divisors (5984106124).

6538338356 is a wasteful number, since it uses less digits than its factorization.

6538338356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478135 (or 478133 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 50.

The square root of 6538338356 is about 80859.9923076919. The cubic root of 6538338356 is about 1869.9175763188.

The spelling of 6538338356 in words is "six billion, five hundred thirty-eight million, three hundred thirty-eight thousand, three hundred fifty-six".