481919219 has 2 divisors, whose sum is σ = 481919220. Its totient is φ = 481919218.

The previous prime is 481919171. The next prime is 481919233. The reversal of 481919219 is 912919184.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 481919219 - 2¹² = 481915123 is a prime.

It is a super-2 number, since 2×481919219² = 464492267283139922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 481919219.

It is not a weakly prime, because it can be changed into another prime (481919239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240959609 + 240959610.

It is an arithmetic number, because the mean of its divisors is an integer number (240959610).

Almost surely, 2^481919219 is an apocalyptic number.

481919219 is a deficient number, since it is larger than the sum of its proper divisors (1).

481919219 is an equidigital number, since it uses as much as digits as its factorization.

481919219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 44.

The square root of 481919219 is about 21952.6585861485. The cubic root of 481919219 is about 784.0156805442.

The spelling of 481919219 in words is "four hundred eighty-one million, nine hundred nineteen thousand, two hundred nineteen".