2851851829 has 2 divisors, whose sum is σ = 2851851830. Its totient is φ = 2851851828.

The previous prime is 2851851823. The next prime is 2851851839. The reversal of 2851851829 is 9281581582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2109289329 + 742562500 = 45927^2 + 27250^2 .

It is a cyclic number.

It is not a de Polignac number, because 2851851829 - 2²⁹ = 2314980917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2851851823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1425925914 + 1425925915.

It is an arithmetic number, because the mean of its divisors is an integer number (1425925915).

Almost surely, 2^2851851829 is an apocalyptic number.

It is an amenable number.

2851851829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2851851829 is an equidigital number, since it uses as much as digits as its factorization.

2851851829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 460800, while the sum is 49.

The square root of 2851851829 is about 53402.7324113664. The cubic root of 2851851829 is about 1418.1069512506.

The spelling of 2851851829 in words is "two billion, eight hundred fifty-one million, eight hundred fifty-one thousand, eight hundred twenty-nine".