481571502489 has 24 divisors (see below), whose sum is σ = 867245650752. Its totient is φ = 250167013920.

The previous prime is 481571502479. The next prime is 481571502521. The reversal of 481571502489 is 984205175184.

481571502489 is a `hidden beast` number, since 4 + 8 + 1 + 5 + 7 + 150 + 2 + 489 = 666.

It is not a de Polignac number, because 481571502489 - 2⁹ = 481571501977 is a prime.

It is a super-2 number, since 2×481571502489² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (481571502449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 347453494 + ... + 347454879.

It is an arithmetic number, because the mean of its divisors is an integer number (36135235448).

Almost surely, 2^481571502489 is an apocalyptic number.

It is an amenable number.

481571502489 is a deficient number, since it is larger than the sum of its proper divisors (385674148263).

481571502489 is a wasteful number, since it uses less digits than its factorization.

481571502489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694908397 (or 694908394 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The spelling of 481571502489 in words is "four hundred eighty-one billion, five hundred seventy-one million, five hundred two thousand, four hundred eighty-nine".