2851444897 has 12 divisors (see below), whose sum is σ = 3362429316. Its totient is φ = 2410611840.

The previous prime is 2851444889. The next prime is 2851444907. The reversal of 2851444897 is 7984441582.

2851444897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1047234321 + 1804210576 = 32361^2 + 42476^2 .

It is not a de Polignac number, because 2851444897 - 2³ = 2851444889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2851447897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 395004 + ... + 402157.

It is an arithmetic number, because the mean of its divisors is an integer number (280202443).

Almost surely, 2^2851444897 is an apocalyptic number.

It is an amenable number.

2851444897 is a deficient number, since it is larger than the sum of its proper divisors (510984419).

2851444897 is an equidigital number, since it uses as much as digits as its factorization.

2851444897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797248 (or 797241 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 52.

The square root of 2851444897 is about 53398.9222456783. The cubic root of 2851444897 is about 1418.0394979393.

The spelling of 2851444897 in words is "two billion, eight hundred fifty-one million, four hundred forty-four thousand, eight hundred ninety-seven".