2859722249 has 2 divisors, whose sum is σ = 2859722250. Its totient is φ = 2859722248.

The previous prime is 2859722233. The next prime is 2859722251. The reversal of 2859722249 is 9422279582.

2859722249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1431260224 + 1428462025 = 37832^2 + 37795^2 .

It is a cyclic number.

It is not a de Polignac number, because 2859722249 - 2⁴ = 2859722233 is a prime.

It is a super-2 number, since 2×2859722249² = 16356022682851236002, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2859722251, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2859722197 and 2859722206.

It is not a weakly prime, because it can be changed into another prime (2859722149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1429861124 + 1429861125.

It is an arithmetic number, because the mean of its divisors is an integer number (1429861125).

Almost surely, 2^2859722249 is an apocalyptic number.

It is an amenable number.

2859722249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2859722249 is an equidigital number, since it uses as much as digits as its factorization.

2859722249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 2859722249 is about 53476.3709408183. The cubic root of 2859722249 is about 1419.4102968642.

The spelling of 2859722249 in words is "two billion, eight hundred fifty-nine million, seven hundred twenty-two thousand, two hundred forty-nine".