2568378353 has 8 divisors (see below), whose sum is σ = 2605421376. Its totient is φ = 2531359600.

The previous prime is 2568378313. The next prime is 2568378391. The reversal of 2568378353 is 3538738652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2568378353 - 2⁶ = 2568378289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2568378313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392438 + ... + 398928.

It is an arithmetic number, because the mean of its divisors is an integer number (325677672).

Almost surely, 2^2568378353 is an apocalyptic number.

It is an amenable number.

2568378353 is a deficient number, since it is larger than the sum of its proper divisors (37043023).

2568378353 is an equidigital number, since it uses as much as digits as its factorization.

2568378353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12135.

The product of its digits is 3628800, while the sum is 50.

The square root of 2568378353 is about 50679.1708002410. The cubic root of 2568378353 is about 1369.4715053541.

The spelling of 2568378353 in words is "two billion, five hundred sixty-eight million, three hundred seventy-eight thousand, three hundred fifty-three".