4485890569 has 2 divisors, whose sum is σ = 4485890570. Its totient is φ = 4485890568.

The previous prime is 4485890567. The next prime is 4485890573. The reversal of 4485890569 is 9650985844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4196448400 + 289442169 = 64780^2 + 17013^2 .

It is a cyclic number.

It is not a de Polignac number, because 4485890569 - 2¹ = 4485890567 is a prime.

It is a super-2 number, since 2×4485890569² = 40246428394086287522, which contains 22 as substring.

Together with 4485890567, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4485890561) 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, 2242945284 + 2242945285.

It is an arithmetic number, because the mean of its divisors is an integer number (2242945285).

Almost surely, 2^4485890569 is an apocalyptic number.

It is an amenable number.

4485890569 is a deficient number, since it is larger than the sum of its proper divisors (1).

4485890569 is an equidigital number, since it uses as much as digits as its factorization.

4485890569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12441600, while the sum is 58.

The square root of 4485890569 is about 66976.7912713053. The cubic root of 4485890569 is about 1649.2363247758.

The spelling of 4485890569 in words is "four billion, four hundred eighty-five million, eight hundred ninety thousand, five hundred sixty-nine".