489454807 has 2 divisors, whose sum is σ = 489454808. Its totient is φ = 489454806.

The previous prime is 489454793. The next prime is 489454811. The reversal of 489454807 is 708454984.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489454807 - 2¹⁵ = 489422039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489454817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244727403 + 244727404.

It is an arithmetic number, because the mean of its divisors is an integer number (244727404).

Almost surely, 2^489454807 is an apocalyptic number.

489454807 is a deficient number, since it is larger than the sum of its proper divisors (1).

489454807 is an equidigital number, since it uses as much as digits as its factorization.

489454807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 489454807 is about 22123.6255392284. The cubic root of 489454807 is about 788.0810161534.

The spelling of 489454807 in words is "four hundred eighty-nine million, four hundred fifty-four thousand, eight hundred seven".