2819652149 has 2 divisors, whose sum is σ = 2819652150. Its totient is φ = 2819652148.

The previous prime is 2819652139. The next prime is 2819652169. The reversal of 2819652149 is 9412569182.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2731630225 + 88021924 = 52265^2 + 9382^2 .

It is a cyclic number.

It is not a de Polignac number, because 2819652149 - 2⁸ = 2819651893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2819652109) 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 as a sum of consecutive naturals, namely, 1409826074 + 1409826075.

It is an arithmetic number, because the mean of its divisors is an integer number (1409826075).

Almost surely, 2^2819652149 is an apocalyptic number.

It is an amenable number.

2819652149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2819652149 is an equidigital number, since it uses as much as digits as its factorization.

2819652149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 47.

The square root of 2819652149 is about 53100.3968817560. The cubic root of 2819652149 is about 1412.7495513765.

The spelling of 2819652149 in words is "two billion, eight hundred nineteen million, six hundred fifty-two thousand, one hundred forty-nine".