7194806849 has 2 divisors, whose sum is σ = 7194806850. Its totient is φ = 7194806848.

The previous prime is 7194806831. The next prime is 7194806897. The reversal of 7194806849 is 9486084917.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6052840000 + 1141966849 = 77800^2 + 33793^2 .

It is a cyclic number.

It is not a de Polignac number, because 7194806849 - 2¹⁶ = 7194741313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7194806794 and 7194806803.

It is not a weakly prime, because it can be changed into another prime (7194806809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3597403424 + 3597403425.

It is an arithmetic number, because the mean of its divisors is an integer number (3597403425).

Almost surely, 2^7194806849 is an apocalyptic number.

It is an amenable number.

7194806849 is a deficient number, since it is larger than the sum of its proper divisors (1).

7194806849 is an equidigital number, since it uses as much as digits as its factorization.

7194806849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The square root of 7194806849 is about 84822.2072867713. The cubic root of 7194806849 is about 1930.5144045710.

The spelling of 7194806849 in words is "seven billion, one hundred ninety-four million, eight hundred six thousand, eight hundred forty-nine".