4273157849 has 2 divisors, whose sum is σ = 4273157850. Its totient is φ = 4273157848.

The previous prime is 4273157843. The next prime is 4273157851. The reversal of 4273157849 is 9487513724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4117532224 + 155625625 = 64168^2 + 12475^2 .

It is a cyclic number.

It is not a de Polignac number, because 4273157849 - 2⁸ = 4273157593 is a prime.

Together with 4273157851, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4273157797 and 4273157806.

It is not a weakly prime, because it can be changed into another prime (4273157843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2136578924 + 2136578925.

It is an arithmetic number, because the mean of its divisors is an integer number (2136578925).

Almost surely, 2^4273157849 is an apocalyptic number.

It is an amenable number.

4273157849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4273157849 is an equidigital number, since it uses as much as digits as its factorization.

4273157849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 50.

The square root of 4273157849 is about 65369.3953544011. The cubic root of 4273157849 is about 1622.7426296000.

The spelling of 4273157849 in words is "four billion, two hundred seventy-three million, one hundred fifty-seven thousand, eight hundred forty-nine".