489315172983 has 64 divisors (see below), whose sum is σ = 853610419200. Its totient is φ = 242094873600.

The previous prime is 489315172981. The next prime is 489315172987. The reversal of 489315172983 is 389271513984.

It is a happy number.

It is not a de Polignac number, because 489315172983 - 2¹ = 489315172981 is a prime.

It is a super-2 number, since 2×489315172983² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489315172981) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56883 + ... + 990891.

It is an arithmetic number, because the mean of its divisors is an integer number (13337662800).

Almost surely, 2^489315172983 is an apocalyptic number.

489315172983 is a deficient number, since it is larger than the sum of its proper divisors (364295246217).

489315172983 is a wasteful number, since it uses less digits than its factorization.

489315172983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934152.

The product of its digits is 13063680, while the sum is 60.

The spelling of 489315172983 in words is "four hundred eighty-nine billion, three hundred fifteen million, one hundred seventy-two thousand, nine hundred eighty-three".