481269999 has 16 divisors (see below), whose sum is σ = 735223808. Its totient is φ = 274313952.

The previous prime is 481269991. The next prime is 481270003. The reversal of 481269999 is 999962184.

It is not a de Polignac number, because 481269999 - 2³ = 481269991 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481269991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20527 + ... + 37200.

It is an arithmetic number, because the mean of its divisors is an integer number (45951488).

Almost surely, 2^481269999 is an apocalyptic number.

481269999 is a deficient number, since it is larger than the sum of its proper divisors (253953809).

481269999 is a wasteful number, since it uses less digits than its factorization.

481269999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58134.

The product of its digits is 2519424, while the sum is 57.

The square root of 481269999 is about 21937.8667832586. The cubic root of 481269999 is about 783.6634587208.

It can be divided in two parts, 481 and 269999, that added together give a triangular number (270480 = T₇₃₅).

The spelling of 481269999 in words is "four hundred eighty-one million, two hundred sixty-nine thousand, nine hundred ninety-nine".