784241489 has 2 divisors, whose sum is σ = 784241490. Its totient is φ = 784241488.

The previous prime is 784241459. The next prime is 784241509. The reversal of 784241489 is 984142487.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 717329089 + 66912400 = 26783^2 + 8180^2 .

It is a cyclic number.

It is not a de Polignac number, because 784241489 - 2¹² = 784237393 is a prime.

It is not a weakly prime, because it can be changed into another prime (784241459) 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, 392120744 + 392120745.

It is an arithmetic number, because the mean of its divisors is an integer number (392120745).

Almost surely, 2^784241489 is an apocalyptic number.

It is an amenable number.

784241489 is a deficient number, since it is larger than the sum of its proper divisors (1).

784241489 is an equidigital number, since it uses as much as digits as its factorization.

784241489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 516096, while the sum is 47.

The square root of 784241489 is about 28004.3119715518. The cubic root of 784241489 is about 922.1819229827.

The spelling of 784241489 in words is "seven hundred eighty-four million, two hundred forty-one thousand, four hundred eighty-nine".