481869929 has 4 divisors (see below), whose sum is σ = 481931076. Its totient is φ = 481808784.

The previous prime is 481869917. The next prime is 481869953. The reversal of 481869929 is 929968184.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 270109225 + 211760704 = 16435^2 + 14552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481869929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481869959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16634 + ... + 35219.

It is an arithmetic number, because the mean of its divisors is an integer number (120482769).

Almost surely, 2^481869929 is an apocalyptic number.

It is an amenable number.

481869929 is a deficient number, since it is larger than the sum of its proper divisors (61147).

481869929 is an equidigital number, since it uses as much as digits as its factorization.

481869929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61146.

The product of its digits is 2239488, while the sum is 56.

The square root of 481869929 is about 21951.5359143728. The cubic root of 481869929 is about 783.9889503033.

It can be divided in two parts, 4818 and 69929, that added together give a palindrome (74747).

The spelling of 481869929 in words is "four hundred eighty-one million, eight hundred sixty-nine thousand, nine hundred twenty-nine".