489976763 has 2 divisors, whose sum is σ = 489976764. Its totient is φ = 489976762.

The previous prime is 489976759. The next prime is 489976777. The reversal of 489976763 is 367679984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489976763 - 2² = 489976759 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (489976783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244988381 + 244988382.

It is an arithmetic number, because the mean of its divisors is an integer number (244988382).

Almost surely, 2^489976763 is an apocalyptic number.

489976763 is a deficient number, since it is larger than the sum of its proper divisors (1).

489976763 is an equidigital number, since it uses as much as digits as its factorization.

489976763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13716864, while the sum is 59.

The square root of 489976763 is about 22135.4187446274. The cubic root of 489976763 is about 788.3610539126.

The spelling of 489976763 in words is "four hundred eighty-nine million, nine hundred seventy-six thousand, seven hundred sixty-three".