481918229 has 16 divisors (see below), whose sum is σ = 535087728. Its totient is φ = 431142912.

The previous prime is 481918211. The next prime is 481918231. The reversal of 481918229 is 922819184.

It can be written as a sum of positive squares in 8 ways, for example, as 112317604 + 369600625 = 10598^2 + 19225^2 .

It is a cyclic number.

It is not a de Polignac number, because 481918229 - 2²⁴ = 465141013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 481918229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481918289) 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 in 15 ways as a sum of consecutive naturals, for example, 131429 + ... + 135045.

It is an arithmetic number, because the mean of its divisors is an integer number (33442983).

Almost surely, 2^481918229 is an apocalyptic number.

It is an amenable number.

481918229 is a deficient number, since it is larger than the sum of its proper divisors (53169499).

481918229 is a wasteful number, since it uses less digits than its factorization.

481918229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944.

The product of its digits is 82944, while the sum is 44.

The square root of 481918229 is about 21952.6360376152. The cubic root of 481918229 is about 784.0151436796.

The spelling of 481918229 in words is "four hundred eighty-one million, nine hundred eighteen thousand, two hundred twenty-nine".