1009671697 has 2 divisors, whose sum is σ = 1009671698. Its totient is φ = 1009671696.

The previous prime is 1009671679. The next prime is 1009671721. The reversal of 1009671697 is 7961769001.

1009671697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (1009671679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 817045056 + 192626641 = 28584^2 + 13879^2 .

It is a cyclic number.

It is not a de Polignac number, because 1009671697 - 2²³ = 1001283089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1009671097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504835848 + 504835849.

It is an arithmetic number, because the mean of its divisors is an integer number (504835849).

Almost surely, 2^1009671697 is an apocalyptic number.

It is an amenable number.

1009671697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009671697 is an equidigital number, since it uses as much as digits as its factorization.

1009671697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 1009671697 is about 31775.3315797019. The cubic root of 1009671697 is about 1003.2135609638.

The spelling of 1009671697 in words is "one billion, nine million, six hundred seventy-one thousand, six hundred ninety-seven".