489456733 has 2 divisors, whose sum is σ = 489456734. Its totient is φ = 489456732.

The previous prime is 489456713. The next prime is 489456769. The reversal of 489456733 is 337654984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 454670329 + 34786404 = 21323^2 + 5898^2 .

It is a cyclic number.

It is not a de Polignac number, because 489456733 - 2¹³ = 489448541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489456713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244728366 + 244728367.

It is an arithmetic number, because the mean of its divisors is an integer number (244728367).

Almost surely, 2^489456733 is an apocalyptic number.

It is an amenable number.

489456733 is a deficient number, since it is larger than the sum of its proper divisors (1).

489456733 is an equidigital number, since it uses as much as digits as its factorization.

489456733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 49.

The square root of 489456733 is about 22123.6690673134. The cubic root of 489456733 is about 788.0820498491.

The spelling of 489456733 in words is "four hundred eighty-nine million, four hundred fifty-six thousand, seven hundred thirty-three".