481649999 has 2 divisors, whose sum is σ = 481650000. Its totient is φ = 481649998.

The previous prime is 481649977. The next prime is 481650011. The reversal of 481649999 is 999946184.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 481649999 - 2¹² = 481645903 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481642999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240824999 + 240825000.

It is an arithmetic number, because the mean of its divisors is an integer number (240825000).

Almost surely, 2^481649999 is an apocalyptic number.

481649999 is a deficient number, since it is larger than the sum of its proper divisors (1).

481649999 is an equidigital number, since it uses as much as digits as its factorization.

481649999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 59.

The square root of 481649999 is about 21946.5258981917. The cubic root of 481649999 is about 783.8696588252.

The spelling of 481649999 in words is "four hundred eighty-one million, six hundred forty-nine thousand, nine hundred ninety-nine".