489355138377 has 12 divisors (see below), whose sum is σ = 807824355520. Its totient is φ = 279631507608.

The previous prime is 489355138361. The next prime is 489355138427. The reversal of 489355138377 is 773831553984.

489355138377 is a `hidden beast` number, since 4 + 8 + 9 + 3 + 551 + 3 + 8 + 3 + 77 = 666.

It is not a de Polignac number, because 489355138377 - 2⁴ = 489355138361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 7767541879 = 489355138377 / (4 + 8 + 9 + 3 + 5 + 5 + 1 + 3 + 8 + 3 + 7 + 7).

It is not an unprimeable number, because it can be changed into a prime (489355138777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3883770877 + ... + 3883771002.

Almost surely, 2^489355138377 is an apocalyptic number.

It is an amenable number.

489355138377 is a deficient number, since it is larger than the sum of its proper divisors (318469217143).

489355138377 is a wasteful number, since it uses less digits than its factorization.

489355138377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7767541892 (or 7767541889 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 63.

The spelling of 489355138377 in words is "four hundred eighty-nine billion, three hundred fifty-five million, one hundred thirty-eight thousand, three hundred seventy-seven".