2853845149 has 2 divisors, whose sum is σ = 2853845150. Its totient is φ = 2853845148.

The previous prime is 2853845147. The next prime is 2853845173. The reversal of 2853845149 is 9415483582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2726719524 + 127125625 = 52218^2 + 11275^2 .

It is a cyclic number.

It is not a de Polignac number, because 2853845149 - 2¹ = 2853845147 is a prime.

Together with 2853845147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2853845147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1426922574 + 1426922575.

It is an arithmetic number, because the mean of its divisors is an integer number (1426922575).

Almost surely, 2^2853845149 is an apocalyptic number.

It is an amenable number.

2853845149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2853845149 is an equidigital number, since it uses as much as digits as its factorization.

2853845149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1382400, while the sum is 49.

The square root of 2853845149 is about 53421.3922413110. The cubic root of 2853845149 is about 1418.4372725977.

The spelling of 2853845149 in words is "two billion, eight hundred fifty-three million, eight hundred forty-five thousand, one hundred forty-nine".