481995909 has 12 divisors (see below), whose sum is σ = 696457216. Its totient is φ = 321219432.

The previous prime is 481995907. The next prime is 481995977. The reversal of 481995909 is 909599184.

481995909 is a `hidden beast` number, since 48 + 1 + 9 + 9 + 590 + 9 = 666.

It is not a de Polignac number, because 481995909 - 2¹ = 481995907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481995907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24774 + ... + 39720.

Almost surely, 2^481995909 is an apocalyptic number.

It is an amenable number.

481995909 is a deficient number, since it is larger than the sum of its proper divisors (214461307).

481995909 is a wasteful number, since it uses less digits than its factorization.

481995909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18536 (or 18533 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 54.

The square root of 481995909 is about 21954.4052299305. The cubic root of 481995909 is about 784.0572663336.

The spelling of 481995909 in words is "four hundred eighty-one million, nine hundred ninety-five thousand, nine hundred nine".