489476437 has 2 divisors, whose sum is σ = 489476438. Its totient is φ = 489476436.

The previous prime is 489476419. The next prime is 489476447. The reversal of 489476437 is 734674984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487923921 + 1552516 = 22089^2 + 1246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489476437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489476417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244738218 + 244738219.

It is an arithmetic number, because the mean of its divisors is an integer number (244738219).

Almost surely, 2^489476437 is an apocalyptic number.

It is an amenable number.

489476437 is a deficient number, since it is larger than the sum of its proper divisors (1).

489476437 is an equidigital number, since it uses as much as digits as its factorization.

489476437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 52.

The square root of 489476437 is about 22124.1143777553. The cubic root of 489476437 is about 788.0926249482.

The spelling of 489476437 in words is "four hundred eighty-nine million, four hundred seventy-six thousand, four hundred thirty-seven".