489145049 has 2 divisors, whose sum is σ = 489145050. Its totient is φ = 489145048.

The previous prime is 489145037. The next prime is 489145061. The reversal of 489145049 is 940541984.

It is a balanced prime because it is at equal distance from previous prime (489145037) and next prime (489145061).

It can be written as a sum of positive squares in only one way, i.e., 489073225 + 71824 = 22115^2 + 268^2 .

It is a cyclic number.

It is not a de Polignac number, because 489145049 - 2²⁰ = 488096473 is a prime.

It is a super-2 number, since 2×489145049² = 478525757922424802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (489145649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244572524 + 244572525.

It is an arithmetic number, because the mean of its divisors is an integer number (244572525).

Almost surely, 2^489145049 is an apocalyptic number.

It is an amenable number.

489145049 is a deficient number, since it is larger than the sum of its proper divisors (1).

489145049 is an equidigital number, since it uses as much as digits as its factorization.

489145049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 489145049 is about 22116.6238155827. The cubic root of 489145049 is about 787.9147318775.

The spelling of 489145049 in words is "four hundred eighty-nine million, one hundred forty-five thousand, forty-nine".