7173127649 has 2 divisors, whose sum is σ = 7173127650. Its totient is φ = 7173127648.

The previous prime is 7173127631. The next prime is 7173127667. The reversal of 7173127649 is 9467213717.

It is a balanced prime because it is at equal distance from previous prime (7173127631) and next prime (7173127667).

It can be written as a sum of positive squares in only one way, i.e., 6856999249 + 316128400 = 82807^2 + 17780^2 .

It is a cyclic number.

It is not a de Polignac number, because 7173127649 - 2²⁰ = 7172079073 is a prime.

It is not a weakly prime, because it can be changed into another prime (7173327649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3586563824 + 3586563825.

It is an arithmetic number, because the mean of its divisors is an integer number (3586563825).

Almost surely, 2^7173127649 is an apocalyptic number.

It is an amenable number.

7173127649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7173127649 is an equidigital number, since it uses as much as digits as its factorization.

7173127649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 47.

The square root of 7173127649 is about 84694.3188708664. The cubic root of 7173127649 is about 1928.5734623029.

The spelling of 7173127649 in words is "seven billion, one hundred seventy-three million, one hundred twenty-seven thousand, six hundred forty-nine".