7168858849 has 2 divisors, whose sum is σ = 7168858850. Its totient is φ = 7168858848.

The previous prime is 7168858787. The next prime is 7168858861. The reversal of 7168858849 is 9488588617.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6584186449 + 584672400 = 81143^2 + 24180^2 .

It is a cyclic number.

It is not a de Polignac number, because 7168858849 - 2⁷ = 7168858721 is a prime.

It is not a weakly prime, because it can be changed into another prime (7168858549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3584429424 + 3584429425.

It is an arithmetic number, because the mean of its divisors is an integer number (3584429425).

Almost surely, 2^7168858849 is an apocalyptic number.

It is an amenable number.

7168858849 is a deficient number, since it is larger than the sum of its proper divisors (1).

7168858849 is an equidigital number, since it uses as much as digits as its factorization.

7168858849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30965760, while the sum is 64.

The square root of 7168858849 is about 84669.1139022962. The cubic root of 7168858849 is about 1928.1908152690.

The spelling of 7168858849 in words is "seven billion, one hundred sixty-eight million, eight hundred fifty-eight thousand, eight hundred forty-nine".