479463459489 has 135 divisors (see below), whose sum is σ = 865175481027. Its totient is φ = 263833591392.

The previous prime is 479463459437. The next prime is 479463459491. The reversal of 479463459489 is 984954364974.

It is a happy number.

The square root of 479463459489 is 692433.

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

479463459489 is a `hidden beast` number, since 4 + 7 + 94 + 6 + 3 + 4 + 59 + 489 = 666.

It can be written as a sum of positive squares in only one way, i.e., 251419007889 + 228044451600 = 501417^2 + 477540^2 .

It is not a de Polignac number, because 479463459489 - 2⁷ = 479463459361 is a prime.

It is a super-2 number, since 2×479463459489² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (479463457489) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 1265074902 + ... + 1265075280.

Almost surely, 2^479463459489 is an apocalyptic number.

479463459489 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

479463459489 is the 692433-rd square number.

479463459489 is the 346217-th centered octagonal number.

It is an amenable number.

479463459489 is a deficient number, since it is larger than the sum of its proper divisors (385712021538).

479463459489 is an frugal number, since it uses more digits than its factorization.

479463459489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 418 counting only the distinct ones).

The product of its digits is 940584960, while the sum is 72.

The spelling of 479463459489 in words is "four hundred seventy-nine billion, four hundred sixty-three million, four hundred fifty-nine thousand, four hundred eighty-nine".