1652788289 has 2 divisors, whose sum is σ = 1652788290. Its totient is φ = 1652788288.

The previous prime is 1652788273. The next prime is 1652788337. The reversal of 1652788289 is 9828872561.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1048464400 + 604323889 = 32380^2 + 24583^2 .

It is a cyclic number.

It is not a de Polignac number, because 1652788289 - 2⁴ = 1652788273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1652788259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826394144 + 826394145.

It is an arithmetic number, because the mean of its divisors is an integer number (826394145).

Almost surely, 2^1652788289 is an apocalyptic number.

It is an amenable number.

1652788289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1652788289 is an equidigital number, since it uses as much as digits as its factorization.

1652788289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3870720, while the sum is 56.

The square root of 1652788289 is about 40654.4990007256. The cubic root of 1652788289 is about 1182.3309972169.

The spelling of 1652788289 in words is "one billion, six hundred fifty-two million, seven hundred eighty-eight thousand, two hundred eighty-nine".