4194739849 has 2 divisors, whose sum is σ = 4194739850. Its totient is φ = 4194739848.

The previous prime is 4194739811. The next prime is 4194739873. The reversal of 4194739849 is 9489374914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3547393600 + 647346249 = 59560^2 + 25443^2 .

It is a cyclic number.

It is not a de Polignac number, because 4194739849 - 2¹¹ = 4194737801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4194739793 and 4194739802.

It is not a weakly prime, because it can be changed into another prime (4194739349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097369924 + 2097369925.

It is an arithmetic number, because the mean of its divisors is an integer number (2097369925).

Almost surely, 2^4194739849 is an apocalyptic number.

It is an amenable number.

4194739849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4194739849 is an equidigital number, since it uses as much as digits as its factorization.

4194739849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 58.

The square root of 4194739849 is about 64766.8113233931. The cubic root of 4194739849 is about 1612.7548028650.

It can be divided in two parts, 41947 and 39849, that added together give a square (81796 = 286²).

The spelling of 4194739849 in words is "four billion, one hundred ninety-four million, seven hundred thirty-nine thousand, eight hundred forty-nine".