4248857213 has 2 divisors, whose sum is σ = 4248857214. Its totient is φ = 4248857212.

The previous prime is 4248857143. The next prime is 4248857257. The reversal of 4248857213 is 3127588424.

It is an a-pointer prime, because the next prime (4248857257) can be obtained adding 4248857213 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4021842724 + 227014489 = 63418^2 + 15067^2 .

It is a cyclic number.

It is not a de Polignac number, because 4248857213 - 2¹⁴ = 4248840829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4248857513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124428606 + 2124428607.

It is an arithmetic number, because the mean of its divisors is an integer number (2124428607).

Almost surely, 2^4248857213 is an apocalyptic number.

It is an amenable number.

4248857213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4248857213 is an equidigital number, since it uses as much as digits as its factorization.

4248857213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 430080, while the sum is 44.

The square root of 4248857213 is about 65183.2586865677. The cubic root of 4248857213 is about 1619.6607038494.

The spelling of 4248857213 in words is "four billion, two hundred forty-eight million, eight hundred fifty-seven thousand, two hundred thirteen".