1000100609 has 2 divisors, whose sum is σ = 1000100610. Its totient is φ = 1000100608.

The previous prime is 1000100597. The next prime is 1000100617. The reversal of 1000100609 is 9060010001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 887146225 + 112954384 = 29785^2 + 10628^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000100609 - 2⁴ = 1000100593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000100009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500050304 + 500050305.

It is an arithmetic number, because the mean of its divisors is an integer number (500050305).

Almost surely, 2^1000100609 is an apocalyptic number.

It is an amenable number.

1000100609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000100609 is an equidigital number, since it uses as much as digits as its factorization.

1000100609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1000100609 is about 31624.3673296400. The cubic root of 1000100609 is about 1000.0335352087.

The spelling of 1000100609 in words is "one billion, one hundred thousand, six hundred nine".