7680594149 has 2 divisors, whose sum is σ = 7680594150. Its totient is φ = 7680594148.

The previous prime is 7680594139. The next prime is 7680594191. The reversal of 7680594149 is 9414950867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3952636900 + 3727957249 = 62870^2 + 61057^2 .

It is a cyclic number.

It is not a de Polignac number, because 7680594149 - 2⁴ = 7680594133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7680594149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7680594139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3840297074 + 3840297075.

It is an arithmetic number, because the mean of its divisors is an integer number (3840297075).

Almost surely, 2^7680594149 is an apocalyptic number.

It is an amenable number.

7680594149 is a deficient number, since it is larger than the sum of its proper divisors (1).

7680594149 is an equidigital number, since it uses as much as digits as its factorization.

7680594149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 7680594149 is about 87638.9990187017. Note that the first 3 decimals coincide. The cubic root of 7680594149 is about 1973.0205365357.

The spelling of 7680594149 in words is "seven billion, six hundred eighty million, five hundred ninety-four thousand, one hundred forty-nine".