470087489 has 2 divisors, whose sum is σ = 470087490. Its totient is φ = 470087488.

The previous prime is 470087437. The next prime is 470087539. The reversal of 470087489 is 984780074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 455395600 + 14691889 = 21340^2 + 3833^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-470087489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (470087089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235043744 + 235043745.

It is an arithmetic number, because the mean of its divisors is an integer number (235043745).

Almost surely, 2^470087489 is an apocalyptic number.

It is an amenable number.

470087489 is a deficient number, since it is larger than the sum of its proper divisors (1).

470087489 is an equidigital number, since it uses as much as digits as its factorization.

470087489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 470087489 is about 21681.5010781080. The cubic root of 470087489 is about 777.5462496655.

The spelling of 470087489 in words is "four hundred seventy million, eighty-seven thousand, four hundred eighty-nine".