4072871249 has 2 divisors, whose sum is σ = 4072871250. Its totient is φ = 4072871248.

The previous prime is 4072871221. The next prime is 4072871251. The reversal of 4072871249 is 9421782704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3002272849 + 1070598400 = 54793^2 + 32720^2 .

It is a cyclic number.

It is not a de Polignac number, because 4072871249 - 2¹⁶ = 4072805713 is a prime.

It is a Sophie Germain prime.

Together with 4072871251, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4072871279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2036435624 + 2036435625.

It is an arithmetic number, because the mean of its divisors is an integer number (2036435625).

Almost surely, 2^4072871249 is an apocalyptic number.

It is an amenable number.

4072871249 is a deficient number, since it is larger than the sum of its proper divisors (1).

4072871249 is an equidigital number, since it uses as much as digits as its factorization.

4072871249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 4072871249 is about 63819.0508312369. The cubic root of 4072871249 is about 1596.9827576120.

The spelling of 4072871249 in words is "four billion, seventy-two million, eight hundred seventy-one thousand, two hundred forty-nine".