1010605489 has 2 divisors, whose sum is σ = 1010605490. Its totient is φ = 1010605488.

The previous prime is 1010605481. The next prime is 1010605493. The reversal of 1010605489 is 9845060101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 774675889 + 235929600 = 27833^2 + 15360^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010605489 - 2³ = 1010605481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010605481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505302744 + 505302745.

It is an arithmetic number, because the mean of its divisors is an integer number (505302745).

Almost surely, 2^1010605489 is an apocalyptic number.

It is an amenable number.

1010605489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010605489 is an equidigital number, since it uses as much as digits as its factorization.

1010605489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1010605489 is about 31790.0218464851. The cubic root of 1010605489 is about 1003.5227387397.

The spelling of 1010605489 in words is "one billion, ten million, six hundred five thousand, four hundred eighty-nine".