6534336838 has 16 divisors (see below), whose sum is σ = 9852388560. Its totient is φ = 3250231200.

The previous prime is 6534336833. The next prime is 6534336839. The reversal of 6534336838 is 8386334356.

It is a junction number, because it is equal to n+sod(n) for n = 6534336791 and 6534336800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6534336833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627333 + ... + 637663.

It is an arithmetic number, because the mean of its divisors is an integer number (615774285).

Almost surely, 2^6534336838 is an apocalyptic number.

6534336838 is a deficient number, since it is larger than the sum of its proper divisors (3318051722).

6534336838 is a wasteful number, since it uses less digits than its factorization.

6534336838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11943.

The product of its digits is 3732480, while the sum is 49.

The square root of 6534336838 is about 80835.2450234426. The cubic root of 6534336838 is about 1869.5360300500.

The spelling of 6534336838 in words is "six billion, five hundred thirty-four million, three hundred thirty-six thousand, eight hundred thirty-eight".