4863391849 has 2 divisors, whose sum is σ = 4863391850. Its totient is φ = 4863391848.

The previous prime is 4863391847. The next prime is 4863391853. The reversal of 4863391849 is 9481933684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4810393449 + 52998400 = 69357^2 + 7280^2 .

It is a cyclic number.

It is not a de Polignac number, because 4863391849 - 2¹ = 4863391847 is a prime.

Together with 4863391847, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4863391849.

It is not a weakly prime, because it can be changed into another prime (4863391847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2431695924 + 2431695925.

It is an arithmetic number, because the mean of its divisors is an integer number (2431695925).

Almost surely, 2^4863391849 is an apocalyptic number.

It is an amenable number.

4863391849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4863391849 is an equidigital number, since it uses as much as digits as its factorization.

4863391849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4478976, while the sum is 55.

The square root of 4863391849 is about 69738.0229788600. The cubic root of 4863391849 is about 1694.2588161659.

The spelling of 4863391849 in words is "four billion, eight hundred sixty-three million, three hundred ninety-one thousand, eight hundred forty-nine".