489297577 has 2 divisors, whose sum is σ = 489297578. Its totient is φ = 489297576.

The previous prime is 489297569. The next prime is 489297617. The reversal of 489297577 is 775792984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 293745321 + 195552256 = 17139^2 + 13984^2 .

It is a cyclic number.

It is not a de Polignac number, because 489297577 - 2³ = 489297569 is a prime.

It is a super-4 number, since 4×489297577⁴ (a number of 36 digits) contains 4444 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (489297527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244648788 + 244648789.

It is an arithmetic number, because the mean of its divisors is an integer number (244648789).

Almost surely, 2^489297577 is an apocalyptic number.

It is an amenable number.

489297577 is a deficient number, since it is larger than the sum of its proper divisors (1).

489297577 is an equidigital number, since it uses as much as digits as its factorization.

489297577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8890560, while the sum is 58.

The square root of 489297577 is about 22120.0718127225. The cubic root of 489297577 is about 787.9966207221.

The spelling of 489297577 in words is "four hundred eighty-nine million, two hundred ninety-seven thousand, five hundred seventy-seven".