481128649 has 8 divisors (see below), whose sum is σ = 510073088. Its totient is φ = 453023280.

The previous prime is 481128631. The next prime is 481128653. The reversal of 481128649 is 946821184.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 481128649 - 2⁵ = 481128617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481128629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208587 + ... + 210880.

It is an arithmetic number, because the mean of its divisors is an integer number (63759136).

Almost surely, 2^481128649 is an apocalyptic number.

It is an amenable number.

481128649 is a deficient number, since it is larger than the sum of its proper divisors (28944439).

481128649 is a wasteful number, since it uses less digits than its factorization.

481128649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419535.

The product of its digits is 110592, while the sum is 43.

The square root of 481128649 is about 21934.6449481180. The cubic root of 481128649 is about 783.5867300125.

The spelling of 481128649 in words is "four hundred eighty-one million, one hundred twenty-eight thousand, six hundred forty-nine".