489832838977 has 2 divisors, whose sum is σ = 489832838978. Its totient is φ = 489832838976.

The previous prime is 489832838969. The next prime is 489832838981. The reversal of 489832838977 is 779838238984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 399140914176 + 90691924801 = 631776^2 + 301151^2 .

It is a cyclic number.

It is not a de Polignac number, because 489832838977 - 2³ = 489832838969 is a prime.

It is a super-2 number, since 2×489832838977² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (489832838177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244916419488 + 244916419489.

It is an arithmetic number, because the mean of its divisors is an integer number (244916419489).

Almost surely, 2^489832838977 is an apocalyptic number.

It is an amenable number.

489832838977 is a deficient number, since it is larger than the sum of its proper divisors (1).

489832838977 is an equidigital number, since it uses as much as digits as its factorization.

489832838977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1170505728, while the sum is 76.

The spelling of 489832838977 in words is "four hundred eighty-nine billion, eight hundred thirty-two million, eight hundred thirty-eight thousand, nine hundred seventy-seven".