6453840338 has 16 divisors (see below), whose sum is σ = 10901502720. Its totient is φ = 2838932400.

The previous prime is 6453840313. The next prime is 6453840353. The reversal of 6453840338 is 8330483546.

6453840338 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 4730873 + ... + 4732236.

It is an arithmetic number, because the mean of its divisors is an integer number (681343920).

Almost surely, 2^6453840338 is an apocalyptic number.

6453840338 is a deficient number, since it is larger than the sum of its proper divisors (4447662382).

6453840338 is a wasteful number, since it uses less digits than its factorization.

6453840338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9463153.

The product of its (nonzero) digits is 829440, while the sum is 44.

The square root of 6453840338 is about 80335.7973633174. The cubic root of 6453840338 is about 1861.8273498978.

The spelling of 6453840338 in words is "six billion, four hundred fifty-three million, eight hundred forty thousand, three hundred thirty-eight".