489940127 has 2 divisors, whose sum is σ = 489940128. Its totient is φ = 489940126.

The previous prime is 489940097. The next prime is 489940141. The reversal of 489940127 is 721049984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489940127 - 2¹⁴ = 489923743 is a prime.

It is a super-2 number, since 2×489940127² = 480082656089552258, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489940147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244970063 + 244970064.

It is an arithmetic number, because the mean of its divisors is an integer number (244970064).

Almost surely, 2^489940127 is an apocalyptic number.

489940127 is a deficient number, since it is larger than the sum of its proper divisors (1).

489940127 is an equidigital number, since it uses as much as digits as its factorization.

489940127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 489940127 is about 22134.5911866472. The cubic root of 489940127 is about 788.3414046029.

The spelling of 489940127 in words is "four hundred eighty-nine million, nine hundred forty thousand, one hundred twenty-seven".