481305723489 has 40 divisors (see below), whose sum is σ = 738994955688. Its totient is φ = 311955079680.

The previous prime is 481305723487. The next prime is 481305723517. The reversal of 481305723489 is 984327503184.

It is a happy number.

481305723489 is a `hidden beast` number, since 4 + 8 + 1 + 30 + 572 + 34 + 8 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 226499846400 + 254805877089 = 475920^2 + 504783^2 .

It is not a de Polignac number, because 481305723489 - 2¹ = 481305723487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (481305723487) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3825199 + ... + 3949019.

Almost surely, 2^481305723489 is an apocalyptic number.

It is an amenable number.

481305723489 is a deficient number, since it is larger than the sum of its proper divisors (257689232199).

481305723489 is a wasteful number, since it uses less digits than its factorization.

481305723489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125167 (or 125158 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 481305723489 in words is "four hundred eighty-one billion, three hundred five million, seven hundred twenty-three thousand, four hundred eighty-nine".