481845839 has 2 divisors, whose sum is σ = 481845840. Its totient is φ = 481845838.

The previous prime is 481845829. The next prime is 481845887. The reversal of 481845839 is 938548184.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 481845839 - 2²⁴ = 465068623 is a prime.

It is a super-2 number, since 2×481845839² = 464350825123227842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481845829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240922919 + 240922920.

It is an arithmetic number, because the mean of its divisors is an integer number (240922920).

Almost surely, 2^481845839 is an apocalyptic number.

481845839 is a deficient number, since it is larger than the sum of its proper divisors (1).

481845839 is an equidigital number, since it uses as much as digits as its factorization.

481845839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 50.

The square root of 481845839 is about 21950.9871987571. The cubic root of 481845839 is about 783.9758854993.

The spelling of 481845839 in words is "four hundred eighty-one million, eight hundred forty-five thousand, eight hundred thirty-nine".