7648000169 has 2 divisors, whose sum is σ = 7648000170. Its totient is φ = 7648000168.

The previous prime is 7648000141. The next prime is 7648000183. The reversal of 7648000169 is 9610008467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3824185600 + 3823814569 = 61840^2 + 61837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7648000169 is a prime.

It is a super-2 number, since 2×7648000169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7648000109) 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, 3824000084 + 3824000085.

It is an arithmetic number, because the mean of its divisors is an integer number (3824000085).

Almost surely, 2^7648000169 is an apocalyptic number.

It is an amenable number.

7648000169 is a deficient number, since it is larger than the sum of its proper divisors (1).

7648000169 is an equidigital number, since it uses as much as digits as its factorization.

7648000169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 7648000169 is about 87452.8454025368. The cubic root of 7648000169 is about 1970.2256236211.

The spelling of 7648000169 in words is "seven billion, six hundred forty-eight million, one hundred sixty-nine", and thus it is an aban number.