489232643 has 2 divisors, whose sum is σ = 489232644. Its totient is φ = 489232642.

The previous prime is 489232619. The next prime is 489232687. The reversal of 489232643 is 346232984.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489232643 - 2¹⁸ = 488970499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 489232643.

It is not a weakly prime, because it can be changed into another prime (489232603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244616321 + 244616322.

It is an arithmetic number, because the mean of its divisors is an integer number (244616322).

Almost surely, 2^489232643 is an apocalyptic number.

489232643 is a deficient number, since it is larger than the sum of its proper divisors (1).

489232643 is an equidigital number, since it uses as much as digits as its factorization.

489232643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 41.

The square root of 489232643 is about 22118.6040020613. The cubic root of 489232643 is about 787.9617612020.

The spelling of 489232643 in words is "four hundred eighty-nine million, two hundred thirty-two thousand, six hundred forty-three".