1011610609 has 2 divisors, whose sum is σ = 1011610610. Its totient is φ = 1011610608.

The previous prime is 1011610601. The next prime is 1011610651. The reversal of 1011610609 is 9060161101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 917908209 + 93702400 = 30297^2 + 9680^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011610609 - 2³ = 1011610601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011610601) 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, 505805304 + 505805305.

It is an arithmetic number, because the mean of its divisors is an integer number (505805305).

Almost surely, 2^1011610609 is an apocalyptic number.

It is an amenable number.

1011610609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011610609 is an equidigital number, since it uses as much as digits as its factorization.

1011610609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 1011610609 is about 31805.8266517316. The cubic root of 1011610609 is about 1003.8553204034.

The spelling of 1011610609 in words is "one billion, eleven million, six hundred ten thousand, six hundred nine".