2894473385 has 4 divisors (see below), whose sum is σ = 3473368068. Its totient is φ = 2315578704.

The previous prime is 2894473381. The next prime is 2894473403. The reversal of 2894473385 is 5833744982.

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 335732329 + 2558741056 = 18323^2 + 50584^2 .

It is a cyclic number.

It is not a de Polignac number, because 2894473385 - 2² = 2894473381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2894473381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289447334 + ... + 289447343.

It is an arithmetic number, because the mean of its divisors is an integer number (868342017).

Almost surely, 2^2894473385 is an apocalyptic number.

It is an amenable number.

2894473385 is a deficient number, since it is larger than the sum of its proper divisors (578894683).

2894473385 is an equidigital number, since it uses as much as digits as its factorization.

2894473385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578894682.

The product of its digits is 5806080, while the sum is 53.

The square root of 2894473385 is about 53800.3102686221. The cubic root of 2894473385 is about 1425.1366870013.

The spelling of 2894473385 in words is "two billion, eight hundred ninety-four million, four hundred seventy-three thousand, three hundred eighty-five".