489623472361 has 9 divisors (see below), whose sum is σ = 497825069079. Its totient is φ = 481554874200.

The previous prime is 489623472347. The next prime is 489623472413. The reversal of 489623472361 is 163274326984.

The square root of 489623472361 is 699731.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 15921644761 + 473701827600 = 126181^2 + 688260^2 .

It is not a de Polignac number, because 489623472361 - 2²¹ = 489621375209 is a prime.

It is a super-2 number, since 2×489623472361² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489623472301) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 42677856 + ... + 42689326.

Almost surely, 2^489623472361 is an apocalyptic number.

489623472361 is the 699731-st square number.

489623472361 is the 349866-th centered octagonal number.

It is an amenable number.

489623472361 is a deficient number, since it is larger than the sum of its proper divisors (8201596718).

489623472361 is an frugal number, since it uses more digits than its factorization.

489623472361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23064 (or 11532 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 55.

The spelling of 489623472361 in words is "four hundred eighty-nine billion, six hundred twenty-three million, four hundred seventy-two thousand, three hundred sixty-one".