2853889647 has 16 divisors (see below), whose sum is σ = 4360151040. Its totient is φ = 1626531552.

The previous prime is 2853889609. The next prime is 2853889651. The reversal of 2853889647 is 7469883582.

It is not a de Polignac number, because 2853889647 - 2²⁰ = 2852841071 is a prime.

It is a super-2 number, since 2×2853889647² = 16289372234507569218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2853889847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169372 + ... + 185457.

It is an arithmetic number, because the mean of its divisors is an integer number (272509440).

Almost surely, 2^2853889647 is an apocalyptic number.

2853889647 is a deficient number, since it is larger than the sum of its proper divisors (1506261393).

2853889647 is a wasteful number, since it uses less digits than its factorization.

2853889647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355222.

The product of its digits is 23224320, while the sum is 60.

The square root of 2853889647 is about 53421.8087207837. The cubic root of 2853889647 is about 1418.4446447910. Note that the first 3 decimals are identical.

The spelling of 2853889647 in words is "two billion, eight hundred fifty-three million, eight hundred eighty-nine thousand, six hundred forty-seven".